On Monday, in calling for airstrikes on Syria, Senator John McCain reprised much the same role he played one year ago at the outset of the Libyan war. (snip) With Senator McCain again pushing from the right, America risks yet again lending support to its old nemesis on ostensibly “humanitarian” grounds. (For perhaps the only serious attempt yet made to assess the solidity of those grounds, see Sharmine Narwani’s analysis of the Syrian casualty figures here.) If, this time, the senator is not pushing on a fully open door, the door is clearly not shut either. Apparently in an effort...