Greg Craig, senior foreign policy adviser to the Obama campaign, went on MSNBC this afternoon to defend his candidate's decision to skip a visit with wounded U.S. troops in Germany. The key exchange: Andrea Mitchell: You were facing the Pentagon saying this can't be political, you can't bring aides, you can't bring General Gration, who is a retired military officer, why not just have him go and make it clear you weren't bringing all the others? Greg Craig: The Pentagon said they were treating it as a campaign event, that this was politically sponsored, and the Pentagon told us that...