Jan. 3, 2013 - Sen. Mark Kirk (R-Ill.) returned to Capitol Hill today for the beginning of the 113th Congress, nearly one year after suffering a serious stroke. As his colleagues in the Senate cheered, Kirk climbed the Capitol steps with help from Vice President Joe Biden, Sen. Dick Durbin, D-Ill., and good friend, Sen. Joe Manchin, D-W.Va. (CBS News)