The 10 most vulnerable incumbents in 2012

3. Rep. Allen West (R-Fla.): West is almost certainly too conservative for this south Florida district and the early days of his congressional tenure suggest he has no plans to moderate. Republicans control the redistricting process and will try to firm up West unless a new ballot measure that passed this fall, which seeks to take all political considerations out of the line drawing process, makes such a move impossible. No matter what, West is in for a very difficult race.