As Hillary Clinton herself might put it, it is frankly naïve to be surprised when convenient historical revisions come out of Bill Clinton’s mouth. The latest retroactive adjustment is Bill’s claim at an Iowa event this week that he “approved of Afghanistan and opposed Iraq from the beginning”—a revelation to the many anti-war activists who received no public help from the former President back in 2002 and 2003 when they were pilloried and ridiculed for their views. “What does it mean to oppose it if you don’t verbally say you are against the war?” a baffled Chris Matthews wondered on...