Sen. Robert Bennett
(Mark Wilson/Getty Images)
Three-term Republican Bob Bennett was the first to feel the insurgent sting this primary season. He had come under fire from conservatives in the previous months for supporting the Troubled Asset Relief Program and was ousted at the Utah GOP convention in early May, finishing behind attorney Mike Lee and businessman Tim Bridgewater. Lee and Bridgewater advanced to the primary, and while both had Tea Party support, the establishment lined up more behind Bridgewater. In the end, Lee, whose father, Rex Lee, was solicitor general under President Reagan, won the nomination in the Republican-leaning state.