The Democratic Congressional Campaign Committee just put out its first list of vulnerable incumbents for its "Frontline" program for the 2011-12 cycle:
One note: The "O/K" column refers to the share of the vote that Obama and Kerry respectively got in the district. In any event, the vagaries of redistricting obviously make selecting endangered incumbents a difficult enterprise, but there are still some notable names missing on this list. Who else do you think should be on here?