Senator Bob Bennett (R-UT) will not be representing the GOP in the 2010 election.
Bennett was one of the 12 Republican senators who voted for the Bush-Kennedy amnesty in 2007. Where are they now?
The following are no longer in the Senate:
Craig (ID), Hagel (NE), Lott (MS), Martinez (FL)
Gregg (NH) is retiring this year, Bennett (UT) just lost his primary, and Specter (PA) became a Democrat.
McCain (AZ) faces a tough primary challenge.