In what looks like an off-the-cuff blunder, Secretary of State John Kerry might have accidentally given Russian President Vladmir Putin the opportunity to muddy the international diplomatic waters and buy his friends in Syria some time. During a press briefing on Monday, Kerry said that Assad could avoid American air strikes by giving up all his chemical weapons within a week. Within hours, the State Department was forced to walk Kerry's new red line back with the claim that he was making a "rhetorical argument about the impossibility and unlikelihood of Assad turning over chemical weapons he has denied he...