Tracking the GOP race to 2012

Mitt Romney endorsed John McCain over conservative challenger J.D. Hayworth today; in his upcoming book, Romney accuses the UAW and the federal government of hurting the Big Three's ability to compete with foreign automakers; Eric Cantor, along with other Republican lawmakers, will play host to Iowa Republican Jim Gibbons, who is running for Congress in the state's third district, at a fundraiser in DC at the Capitol Hill Club; Bristol Palin will make her acting debut on ABC Family's "The Secret Life of the American Teenager; Rick Santorum says it undermines Republicans' credibility to promote home-state and home-district stimulus spending while criticizing the overall stimulus bill; and "of course" President Obama is a socialist, Newt Gingrich said on "The O'Reilly Factor."