Rep. Tammy Baldwin, Wisconsin Democrat, appears to have an opening for the U.S. Senate primary now that former Sen. Russ Feingold has bowed out. (Associated Press)
Sen. Russ Feingold, Wisconsin Democrat, makes his concession speech to supporters Tuesday night in Middleton, Wis., after losing to Republican challenger Ron Johnson. (Associated Press)
Wisconsin Republican Ron Johnson, a political novice, celebrates his victory over veteran Democratic Sen. Russ Feingold Tuesday night in Oshkosh, Wis., with family and supporters. (Associated Press)
