Christine O'Donnell, Delware Senate (R)
Marketing consultant Christine O'Donnell surprised everyone when she beat longtime Rep. Mike Castle for the Republican nomination. However, many of her past statements have come back to haunt her and Delaware voters still have their doubts.
Deval Patrick, Massachusetts Governor (D)
There were no primaries in the four-way Massachusetts gubernatorial race -- leaving Gov. Deval Patrick (D) time to focus on a challenging election. National Republicans have made the contest one of their top targets of the cycle.
Neil Abercrombie, Hawaii Governor (D)
Former Rep. Neil Abercrombie won a hard-fought victory over former Honolulu Mayor Mufi Hannemann. Abercrombie's victory capped off a contentious campaign that touched on ethnic issues.
Carl Paladino, New York Governor (R)
Tea party upstart Carl Paladino beat out veteran politician Rick Lazio in New York's gubernatorial primary. Though neither was expected to beat Democrat Andrew Cuomo, Paladino's oddball behavior has drawn national attention.
Rick Lazio, New York Senate (R)
Former congressman Rick Lazio lost yet another bid for higher office. In 2000 he ran for Senate against Hillary Clinton and lost after appearing to bully her during a debate.
Mike Castle (R), Delaware Senate
Rep. Mike Castle (R) has served in the House for over a decade -- the longest tenure of any Delaware congressman. He appeared to be a shoo-in for the Senate race, and he nearly ran a write-in campaign after he lost to his tea-party backed rival: Christine O'Donnell.
Kelly Ayotte, New Hampshire Senate (R)
Kelly Ayotte was the moderate candidate in New Hampshire's Republican Senate primary, but she had the backing of Sarah Palin. The former state Attorney General beat tea party candidate Ovide Lamontagne and will face Rep. Paul Hodes in the fall.
Rick Scott, Florida Governor (R)
Surrounded by family, Republican gubernatorial candidate Rick Scott celebrates with supporters in Fort Lauderdale. Florida's Republican voters chose millionaire CEO Scott over career public servant Bill McCollum. Scott's win came as a surprise -- the party backed McCollum.
John McCain, Arizona Senate (R)
Sen. John McCain easily defeated challenger J.D. Hayworth after shifting right on some issues -- and spending gobs of money.
Eric Thayer-Getty Images
Kendrick Meek, Florida Governor (D)
Kendrick Meek beat out gaffe-prone billionaire Jeff Greene for the Democratic nomination in the Florida Senate race. Many Democrats fear Meek will draw votes away from Crist, giving conservative Republican Marco Rubio the seat in this three-way race.
Ben Quayle, Arizona House (R)
Ben Quayle surprised observers by winning his primary after a series of embarrassing mini-scandals -- including the revelation that he wrote for a local gossip website. Quayle's father, former Vice President Dan Quayle, and mother came to his defense via an e-mail message to supported Tuesday morning.
Joe Miller, Alaska Senate (R)
Tea party candidate Joe Miller was considered a long-shot to defeat incumbent Sen. Lisa Murkowski -- until Sarah Palin endorsed him. The race has yet to be decided, but Miller is likely to win.
Sen. Lisa Murkowski, Alaska Senate (R)
Sen. Lisa Murkowski dismissed her conservative challenger, Joe Miller, and his support from Palin -- and many outside the state speculated that she had nothing to worry about. The conventional wisdom turned out to be wrong. Some are now wondering if she'll run for her seat as an independent.
Charles Mason-Charles Mason
Sen. Michael Bennet, D-Colo., celebrates with his wife and children at an election party after winning the Democratic primary on Tuesday, Aug. 10. Bennet's victory represents some good news for President Obama and the Democratic establishment. Bennet will face Weld County prosecutor and Republican candidate Ken Buck in November.
Republican candidate for U.S. Senate Linda McMahon waves to supporters during her campaign party on Aug. 10. The former World Wrestling Entertainment CEO won with nearly 50 percent of the vote, defeating former Rep. Rob Simmons. Simmons had withdrawn from the primary earlier only to re-start his campaign later in the race.
Republican U.S. Senate candidate Ken Buck gives his acceptance speech to supporters as his daughter Kaitlin (L) celebrates at an election night party in Loveland, Colorado on Aug. 10. Buck defeated former Lt. Gov. Jane Norton. Endorsed by conservative Tea Party groups, Buck represented another upset of the Republican Party establishment. He will face Democrat Michael Bennet in November.
Republican, Nathan Deal, left, appears on Channel 2 Action News on Wednesday, Aug. 11 -- hours before he would be declared the winner in the Georgia gubernatorial runoff. Well after polls closed Tuesday night, neither Deal nor challenger Karen Handel had a definitive lead. Handel conceded late Wednesday morning.
Georgia gubernatorial candidate Karen Handel speaks to supporters during an election-night party in Atlanta on Tuesday Aug. 10. No clear winner emergedTuesday night, with less than 2,500 votes separating Handel from her primary run-off opponent, former Rep. Nathan Deal. Instead, Handel conceded late Wednesday morning, trailing by 0.4 percent of the total vote.
Todd Tiahrt (R), Kansas Senate
Kansas Rep. Todd Tiahrt, with his wife Vicki, concedes to Jerry Moran during a watch party. Sarah Palin's endorsement wasn't enough to win him the Republican Senate nomination.
Larry W. Smith-AP
Jari Askins and Mary Fallin, Okla. Governor
Oklahoma Lt. Gov. Jari Askins, left, the Democratic candidate for governor, and Rep. Mary Fallin (R-Okla.), the Republican candidate, chat as they wait to speak to a business forum. Whoever wins, Oklahoma will have its first female governor.
Carolyn Kilpatrick (D), Michigan House
Rep. Carolyn Cheeks Kilpatrick, (D-Mich.), delivers her concession speech early Wednesday morning in Detroit. The mother of Detroit's imprisoned former mayor, Kilpatrick's political career was doomed by her son's scandals.
Pete Hoekstra (R), Michigan Governor
Rep. Pete Hoekstra campaigns in Novi, Michigan, Monday, Aug. 2, 2010. Rep. Hoekstra lost the gubernatorial primary the next day to self-funded businessman Rick Snyder.
Bill Haslam (R), Tennessee Governor
Republican gubernatorial nominee Bill Haslam hugs Rep. Zach Wamp (R-Tenn.) after defeating his more conservative rival in the primary.
Martha Roby (R), Alabama House
Martha Roby trounced Rick Barber in the Alabama 2nd runoff. Barner was best known for his controversial ads, including one asking supporters to "gather your armies."
Mickey Welsh/montgomery Advertiser-Mickey Welsh/Montgomery Advertiser
Alexi Giannoulias (D), Illinois Senate
Democratic Senate candidate Alexi Giannoulias gives his victory speech after winning the primary election on Tuesday, Feb. 2, 2010. at the Fairmont Hotel in Chicago. Giannoulias has been attacked for the collapse of his family's bank in what promises to be one of the year's nastiest races.
Corey R. Minkanic-ASSOCIATED PRESS
Mark Kirk (R), Illinois Senate
Rep. Mark Kirk greets the crowd in Wheeling, Ill. as he accepts the Republican nomination. Kirk has been hit hard by revelations that he falsified his military record.
Lois Bernstein-ASSOCIATED PRESS
Bill Brady (R), Illinois Governor
Bill Brady and his wife, Nancy, arrive to a welcoming crowd during Brady's statewide primary victory party, Monday, March 8, 2010, in Bloomington, Ill. He leads in many polls and says he could beat Barack Obama if he was in the race.
David Proeber-ASSOCIATED PRESS
Pat Quinn (D), Illinois Governor
Illionis Gov. Pat Quinn speaks during a news conference, Tuesday, July 6, 2010, in Chicago. Quinn has been battered by budget problems and the shadow of his disgraced predecessor, Rod Blagojevich.
M. Spencer Green-ASSOCIATED PRESS
Kay Bailey Hutchison (R), Texas Governor
Once-beloved Sen. Kay Bailey Hutchison greets well wishers during a campaign stop in Tyler, Texas on Monday, March 1, 2010. She lost the Republican gubernatorial primary the next day. Soon after, she broke her pledge to retire from the Senate.
Jaime R. Carrero-ASSOCIATED PRESS
Rick Perry (R), Texas Governor
Texas Gov. Rick Perry, with his wife and daughter at his primary night party at the Salt Lick BBQ in Driftwood, Texas, Tuesday, March 2, 2010. He successfully painted Hutchison as a Washington insider and will now face Democrat Bill White in the fall.
Lm Otero-ASSOCIATED PRESS
Dan Coats (R), Indiana Senate
Republican Senate Dan Coats speaks after winning the nomination for the U.S. Senate seat in Indianapolis, Tuesday, May 4, 2010. A former senator, ambassador to Germany and Washington lobbyist, Coats beat out four primary opponents.
Darron Cummings-ASSOCIATED PRESS
Brad Ellsworth (D), Indiana Senate
Party leaders picked Democratic Rep. Brad Ellsworth when Sen. Evan Bayh announced his intention to retire -- sparing the party a bruising primary fight.
Darron Cummings-ASSOCIATED PRESS
Dan Burton (R), Indiana
Rep. Dan Burton, celebrates with his wife Samia, as he claimed victory in his primary election in Indianapolis, Tuesday, May 4, 2010. Burton, Indiana's current longest-serving congressman, faced six challengers.
Michael Conroy-ASSOCIATED PRESS
Elaine Marshall (D), North Carolina Senate
Elaine Marshall calls her mother, after winning a primary runoff election against Cal Cunningham, Tuesday June 22, 2010, in Raleigh, N.C. Marshall beat out the establishment favorite to face off against incumbent Senator Richard Burr in November.
Richard Burr (R), North Carolina Senate
Sen. Richard Burr (R-NC), at a hearing on Capitol Hill on May 18, 2010. National Democrats sense an opportunity here, even though their preferred candidate lost.
Mark Wilson-Getty Images
Rob Portman (R), Ohio Senate
Former Rep. Rob Portman (R) speaking on Jan. 14, 2009 during a campaign kickoff in Lebanon, Ohio. Portman leads all candidates for the spot being vacated by U.S. Sen. George Voinovich. He is among the candidates to watch in the race for the most Senate campaign cash.
David Kohl-ASSOCIATED PRESS
Lee Fisher (D), Ohio Senate
Ohio Lt. Gov. Lee Fisher waves to a crowd of supporters at the Crowne Plaza Hotel in downtown Cleveland on May 4, 2010. Fisher significantly trails his competitor, former Rep. Rob Portman (R) in campaign funds.
Jason Miller-ASSOCIATED PRESS
Ted Strickland (D), Ohio Governor
Incumbent Gov. Ted Strickland delivers the State of the State in Columbus, Ohio on Jan 26, 2010. Strickland is under heavy attack by the Republican Governors Association (RGA) for state-wide job losses.
Paul Vernon-ASSOCIATED PRESS
Alan Mollohan (D), West Virginia House
Rep. Alan Mollohan (D-W.V.), gets applause from his wife and son during his concession speech in Morgantown, W.Va. on May 11, 2010. He was the first incumbent to be defeated in a wave of anti-establishment sentiment among voters. State Senator Mike Oliverio won the primary.
Blanche Lincoln, (D) Arkansas
Sen. Blanche Lincoln (D-Ark.), greets supporters as her husband watches in Little Rock on June 8, 2010. The senator claimed a stunning come-from-behind victory in the Democratic primary. Lincoln will face Republican congressman John Boozman in the fall.
Bill Halter (D), Arkansas Senate
Arkansas Lt. Gov. Bill Halter acknowledges his supporters during his concession speech in Little Rock, Ark., Tuesday, June 8, 2010. Sen. Blanche Lincoln fended off Halter despite an aggressive union campaign, to win the runoff for Arkansas' Democratic Senate nomination.
Rand Paul (R), Kentucky Senate
Rand Paul addresses supporters at his victory celebration in Bowling Green, Ky., Tuesday, May 18, 2010. Paul, the son of Rep. Ron Paul (R-Texas), was among the first to claim his victory for the 'tea party.'
John Kitzhaber (D), Oregon Governor
Democratic gubernatorial candidate John Kitzhaber won the primary Tuesday, May 18, 2010, in Portland, Ore. He's trying to reclaim the office he held for eight years in the 1990s.
Rick Bowmer-ASSOCIATED PRESS
Chris Dudley (R), Oregon Governor
Republican Chris Dudley greets the crowd at his primary election party on Tuesday, May 18, 2010, in Portland, Ore. Dudley took 40 percent of the vote in a field of nine candidates. He's best known as a former NBA basketball player.
Steve Dykes-ASSOCIATED PRESS
Arlen Specter (D), Pennsylvania Senate
Surrounded by family, Sen. Arlen Specter concedes to Rep. Joe Sestak in the Democratic Pennsylvania primary. President Obama injected himself into the primary race, but his endorsement did not give Specter the boost he needed.
Melina Mara-The Washington Post
Joe Sestak (D), Pennsylvania Senate
Rep. Joe Sestak, (D-Pa.), with his wife and daughter at a primary night event at the Valley Forge Military Academy & College. Since winning the primary, he has made waves by claiming the White House offered him a job in exchange for dropping out of the race.
Michael Perez-ASSOCIATED PRESS
Pat Toomey (R), Pennsylvania Senate
Pat Toomey greets supporters working telephones at the party office in Johnstown. Toomey challenged Specter in the Republican primary, helping push the senator to switch parties. Now he'll face Sestak in the fall.
Mark Critz (D), Pennsylvania House
Democrat Mark Critz, he takes the podium for his victory speech after winning a May 18 special election to finish the remainder of late Rep. John Murtha's term. Critz must defend his seat again in November.
Vaughn Ward (R), Idaho House
Idaho Republican candidate Vaughn Ward (R) shakes hands on Tuesday, May 25 at campaign headquarters in Boise, Idaho. Ward, endorsed by Sarah Palin, was favored to win the primary early on. But he imploded soon after under a wave of gaffes and lost the primary.
Matt Cilley-ASSOCIATED PRESS
Artur Davis (D), Alabama Governor
Congressman Artur Davis walks with his wife Tara to cast his vote in the Democratic primary on Tuesday, June 1. Davis lost -- and lost badly -- to Ron Sparks. He later announced he would not seek re-election for his House seat.
Parker Griffith (R), Alabama House
Rep. Parker Griffith of Alabama discusses his decision to switch from the Democratic Party to the Republican Party during a news conference at his home in Huntsville on Dec. 22, 2009. Parker, accompanied by his wife Virginia, said Democrats no longer represent the interests of his conservative district. Griffith later lost by 18 points to Republican primary challenger Mo Brooks.
Jay Reeves-ASSOCIATED PRESS
Travis Childers (D), MIssissippi House
Freshman Rep. Travis Childers, is very vulnerable this fall to Republican state Sen. Alan Nunnelee (the party's preferred candidate). But Childers should be helped by a recent endorsement from the NRA.
Diane Denish (D), New Mexico Governor
Lt. Gov. Diane Denish makes her acceptance speech after winning the June 1 gubernatorial primary in Albuquerque, N.M. She ran unopposed. Denish is locked in a tight race with Republican District Attorney Susana Martinez.
Craig Fritz-ASSOCIATED PRESS
Susana Martinez (R), New Mexico Governor
Susana Martinez speaks to a crowd after winning the Republican candidacy for governor. Sarah Palin endorsed Martinez, making her one of Palin's growing pack of "mama grizzlies." She cruised through a crowded primary field with the help of the national party.
William Faulkner-ASSOCIATED PRESS
Carly Fiorina (R), California Senate
Former Hewlett-Packard CEO Carly Fiorina celebrates her primary win on June 8 in Anaheim, California. Fiorina hopes to unseat Democratic incumbent Barbara Boxer. After her primary win, however, Fiorina has fallen prey to numerous gaffes, including a hot-mic incident that caught her insulting Boxer's hair.
David Mcnew-Getty Images
Meg Whitman (R), California Governor
Former eBay CEO Meg Whitman celebrates after winning the Republican nomination for California governor in Los Angeles, Tuesday, June 8. Whitman's unfavorable rating has soared in recent months due to a contentious primary battle and negative ads.
Jae C. Hong-ASSOCIATED PRESS
Barbara Boxer (D), California Senate
Sen. Barbara Boxer, (D-Calif.) speaks about her efforts to combat global warming at the National Press Club in Washington, Wednesday, April 18, 2007. Boxer is locked in a tight race with former Hewlett-Packard CEO Carly Fiorina, her most serious race since 1998.
J. Scott Applewhite-AP
Jerry Brown (R), California Governor
California Attorney General Jerry Brown talks during his election night party in Los Angeles. Brown served two-terms as Governor of California; polls show him in a dead heat with Meg Whitman. Some Democrats complain that his campaign is too slow to act.
Charles Grassley (R), I
Sen. Charles Grassley, (R-Iowa), speaks to delegates during the Iowa Republican Party state convention, Saturday, June 26,. Grassley is seeking his sixth term and could face one of his toughest races yet against Democrat Roxanne Conlin.
Charlie Neibergall-ASSOCIATED PRESS
Libby Mitchell (D), Maine Governor
Libby Mitchell thanks supporters at campaign headquarters election night in Portland, Maine, on Tuesday, June 8. Mitchell won the Maine Democratic gubernatorial nomination. She's served in the state legislature since 1974 and got Bill Clinton's primary endorsement. Mitchell will face Republican Waterville Mayor Paul LePage in the fall.
Pat Wellenbach-ASSOCIATED PRESS
Paul LePage (R), Maine Governor
Maine gubernatorial candidate Paul LePage reacts as he sees the projection that he won the GOP primary in his election night headquarters in Waterville, Maine. A tea party favorite, LePage was homeless as a child. He beat six other primary candidates. "This is the story of the American Dream," he said on primary night.
Michael C. York-AP
Harry Reid (D), Nevada Senate
Senate Majority Leader Harry Reid (D-Nev.) is in a bare-knuckle fight with conservative Republican and tea party favorite Sharron Angle. Reid's campaign has focused on Angle's controversial past statements on abortion and other issues.
Sharron Angle (R), Nevada Senate
Sharron Angle speaks at the Orleans Hotel & Casino after winning the Republican primary. Reid got the race he wanted, having engineered state politics for years to face the challenger his team saw as the weakest.
Ethan Miller-Getty Images
Jim Gibbons (R), Nevada Governor
Nevada Gov. Jim Gibbons has been plagued by scandal, including a messy divorce and accusations of assault. He lost his primary to former federal judge David Sandoval.
Scott Sady-ASSOCIATED PRESS
Rory Reid (D), Nevada Governor
Nevada Democratic gubernatorial candidate Rory Reid checks in to vote in a primary election, Tuesday, June 8 in Henderson, Nev. Reid, the son of Senate Majority Leader Harry Reid (D-NV), won the Democratic nomination and will face Republican David Sandoval in November. Reid has made a point of avoiding mention of his last name to insulate himself against his father's political woes. His father, likewise, makes little mention of his son's candidacy.
Isaac Brekken-ASSOCIATED PRESS
John Hoeven (R), North Dakota Senate
Gov. John Hoeven announces his Senate candidacy in Bismarck, N.D. Hoeven says he won't be complacent about his race, even though his Republican supporters think he's a sure winner this fall. Hoeven didn't have any challengers in the primary; he's one of the GOP's stronger recruits.
Will Kincaid-ASSOCIATED PRESS
NIkki Haley (R), South Carolina Governor
Rep. Nikki Haley gives a victory speech to supporters after winning the June 8 gubernatorial primary. Haley's win makes it all but certain she will be the state's next governor. Her unusual background and meteoric rise, spurred by a much-touted endorsement from Sarah Palin, has made Haley among the most high-profile candidates of the 2010 election.
Sen. Jim DeMint, (R-S.C.) will face Democratic candidate Alvin Greene, with nearly all projections pointing to a solid victory for the incumbent. DeMint recently expressed interest in running for a party leadership position if candidates he has endorsed win.
Cliff Owen-ASSOCIATED PRESS
Alvin Greene (D), South Carolina Senate
Unemployed Alvin M. Greene surprised everyone when he won his Democratic nomination in South Carolina. Democrats want him to step down; Greene said he is staying in the race. But his bid has been shrouded in controversy and he has had trouble dealing with the media.
Mary Ann Chastain-ASSOCIATED PRESS
Tim Scott (R), South Carolina House
Rep. Tim Scott speaks a June 8 election night gathering at The Hilton Garden Hotel in North Charleston, S.C. Scott defeated Strom Thurmond's son, Paul, in the runoff for the GOP nomination. Scott was one of two black Republicans to win the party nomination that night, rekindling talk that 2010 may be the "year of the black Republican."
Stephanie Herseth Sandlin (D), South Dakota House
As a Blue Dog in a red state, Rep. Stephanie Herseth Sandlin, (D-S.D.) has worked carefully to develop a moderate reputation in an area where Republicans outnumber Democrats. But South Dakota Republicans believe they have a good shot at beating her in November for the state's only U.S. House seat.
Keith Fimian (R), Virginia House
Wealthy businessman Keith Fimian campaigns on primary day in Springfield, VA. Fimian will face freshman Democratic Rep. Gerald Connolly in November. Fimian is now a "Young Gun" in the National Republican Congressional Committee training program.
Mike Lee (R), Utah Senate
Utah's Mike Lee declares victory in the Republican Senate primary on Tuesday June 22. Lee ran against Jim Bridgewater to replace long time Sen. Bob Bennett, who was defeated at the Republican convention on May 8. Significant support from the tea party and Sen. Jim DeMint made Lee's victory one for the party's right flank.
Tim Bridgewater (R), Utah Senate
Tim Bridgewater thanks his supporters after losing the Utah primary. Bridgewater had the support of the establishment GOP as well as Sen. Bob Bennett and the state's main newspaper, but Lee won by painting him as too liberal.
Steve C. Wilson-AP