What you need to know about toughest gubernatorial contests in 2013 and 2014.
15. MinnesotaMinnesota Republicans are having a tough time recruiting proven vote-getters for the two big statewide races this year, but at the very least, Gov. Mark Dayton (D) is hardly bulletproof. A new poll showed his favorable rating dropping to 49 percent, with 47 percent unfavorable. His split was 53/39 in January. But Dayton still leads the two declared (and largely unknown) Republicans – businessman Scott Honour and Hennepin County Commissioner Jeff Johnson – by 18 points apiece. Jeff Wheeler/AP
President Trump and first lady Melania Trump lit the National Christmas Tree for the first time. The program was hosted by television personality Kathie Lee Gifford and actor Dean Cain and featured performances by the Beach Boys, Jack Wagner, Wynonna Judd, Craig Campbell and others.