So Who's Vulnerable?

Bush's stem cell veto is going to have big, big political repercussions. The stem cell issue will certainly feature prominently in multiple congressional races this fall. So now the pressing political question becomes, which members of Congress who are up for re-election, and who support Bush on stem cells (and therefore have votes on the record against expanding the policy), are most vulnerable? Hmm, I imagine Santorum is one of them....list your favorite enemies of science below, with an emphasis on folks actually up for reelection this year.