November 6, 2012 Republican Senate candidates Linda McMahon in Connecticut and Tom Smith in Pennsylvania spent a combined $56 million of their own money in losing efforts.
November 1, 2012 Republican candidates have benefited more than twice as much as their Democratic counterparts from the spending by outside groups. More than 80 percent of all the Republican outside money comes from secret donors. On the Democratic side, less than 10 percent of the money is secret.
October 18, 2012 It's not just the presidential contest that's being watched in swing state Nevada. GOP Sen. Dean Heller's race against Democrat Shelley Berkley is also seen as a tossup. That's a bit of a surprise for Republicans, who have counted on retaining the seat as they try to build a Senate majority.
August 22, 2012 After his remarks about rape and pregnancy, Missouri Republican Todd Akin faces an uphill climb in his Senate contest against Democratic incumbent Claire McCaskill. One expert says that to attract moderate voters, Akin must steer the conversation to the economy.
May 16, 2012 U.S. Senate candidate Elizabeth Warren's claims of Native American heritage seem uneasy to swallow. But why? What does it take to be considered an ethnic minority, and what does the controversy say about the way we judge ethnic backgrounds?