PAT BUCHANAN, GUEST HOST: Is John Kerry unfit for command? That's what John O‘Neill says. He is the Naval officer who took over command of Kerry‘s swift boat in Vietnam. His new book claims Kerry is no war hero at all, that he didn‘t deserve his Purple Hearts, Bronze Star or Silver Star, and that he committed acts bordering on treason in wartime. John O'Neill is here to tell all for his first interview on MSNBC.