Dear Ann Romney: This newspaper devoted a lot of space last month to a series about your husband and his run for president. I'd hate to see all that grunt work come to naught. So please get him to stop talking about Vietnam, OK? The Romney men have a genetic predisposition toward self-destruction on that topic. First, Papa George blows up his campaign in 1968 by claiming to have been "brainwashed" by the US military. Now here comes Mitt, in this paper, talking about his own, completely imaginary, experience in Southeast Asia. "I was supportive of my country. I longed...