John Kerry has to be the least self-aware politician in the land. The National Commander of the American Legion is now calling for an apology from the senator. Calling himself “outraged,” Paul Morin says, “A generation ago, Sen Kerry slandered his comrades in Vietnam by saying that they were rapists and murderers. It wasn’t true then and his warped view of today’s heroes isn’t true now.” Kerry has frequently said that the lesson he took from the 2004 assault by his fellow Swift Boat veterans was that he didn’t defend his Vietnam record ferociously enough. But the most damaging charge those Vietnam vets made on behalf of all who served with them wasn’t about his fishy medals and early out from Vietnam. It was his 1971 congressional testimony when he charged that American forces committed war crimes, “reminiscent of Genghis Khan,” in Vietnam. It enraged Vietnman vets in 1971 and, when reminded of it, again in 2004. His remarks last evening will strike them as more of the same from someone who long ago broke faith with them.