Talk about damned if you do, damned if you don't! The left regularly claims that racism explains Republican opposition to Barack Obama. But let Republicans support a black candidate, and--guess what?--race is behind that too! On Cenk Uygur's MSNBC show yesterday, Richard Eskow, of the left-wing Campaign For America's Future, claimed that there is "an element of race" behind Herman Cain's popularity in GOP primary polls. For good measure, lefty radio talker Sam Seder applauded Cain's [since-retracted] statement on Fox News Sunday that the "right of return" should be the subject of negotiations between Israel and the Palestinians. In other...