One has to begin to wonder if John Kerry is just a Habitual Liar or if there is a valid medical reason for his confusion.

1971 (I wound up going to Vietnam because in 1965, voicing an objection, as I would have liked to have at that point, would have been, I think, a very futile thing.)
2004 ("I volunteered. I wanted to go over there and I wanted to win.")

Senate Foreign Relations Committee, April 22, 1971: "To attempt to justify the loss of one American life in Vietnam, Cambodia or Laos by linking such loss to the preservation of freedom . . . is to us the height of criminal hypocrisy."
NBC's "Meet the Press," May 6, 2001: "It was a noble effort to try to make a country democratic, to try to carry our principles and values to another part of the world."