career suicide. >> reporter: supporters like the humphreys say they hope driehaus' vote works to his advantage. his issue is this, though, in 2008 his election was bouyed very much from back and urban voters, voters energized by president obama being on the ticket. there are no coattails this time around, but druihaus tells me he hopes mt. obama will come here, campaign with him and rev up that democratic base. brianna keilar, cnn, cincinnati, ohio. how about this? more oil rigs in the atlantic and gulf of mexico? president obama has a plan sure to upset environmental groups. what's the reason for this risky move?