John Kerry's strategy of making his military service a centerpiece of his presidential campaign is under fire with the release of "Unfit for Command," which arrives in bookstores this week. The book accuses the Democratic nominee of lying about what he saw as a Navy officer during his four months of combat in Vietnam, inflating his own record to garner enough Purple Hearts to go home early and later joining an anti-war group that discussed plans for assassinating members of the U.S. Congress. " 'Unfit for Command' is a shocking indictment of a politician who slandered his fellow veterans, danced on...