This month the Kerry Campaign abandoned one claim that John Kerry had made for years about his Vietnam War service and put another into question. The claim that has been dropped: that Kerry was in Cambodia at Christmastime in 1968. In a 1979 review of the movie Apocalypse Now in the Boston Herald, Kerry wrote, "I remember spending Christmas Eve of 1968 5 miles across the Cambodian border being shot at by our Vietnamese allies." In a 1986 speech on the Senate floor, Kerry said, "I remember Christmas of 1968 sitting on a gunboat in Cambodia. . . . I...