Sen. Michael Bennet, Colorado Democrat, celebrates with his wife, Susan Dagget, at an election party on Tuesday, Aug. 10, 2010, in Denver after winning the Democratic primary. (AP Photo)

Photo by: Ed Andrieski

Sen. Michael Bennet, Colorado Democrat, celebrates with his wife, Susan Dagget, at an election party on Tuesday, Aug. 10, 2010, in Denver after winning the Democratic primary. (AP Photo)