“Centrism”has long been the the tag that corporatists like to affix to their morally inert brand of politics. “For sale” might be a better label. The only thing they stand in the center of is K-Street. Idealists on both ends of the political spectrum inspire voter loyalty, whereas Evan Bayh, Joe Lieberman, Arlen Specter and Blanche Lincoln inspire lobbyists to write big checks in exchange for their votes.