. >> roger mudd: why do you want to be president?>> teddy says his stumbling wasn't because of ambivalence of the race but about "displeasure" with roger mudd for blindsiding him with the question before he'd announced his candidacy. he writes that he did want to be president in 1980, and again in '84, but teddy, jr., his brother patrick and sister kara were afraid of his running, and begged him not to. >> ted kennedy, jr.: most people keep coats and umbrellas in their coat closet. my father kept bulletproof vests in his coat closet. and believe me, we would walk by that coat closet every day, fearful about some crazy person out there wanting to make a name for themselves. and that, i think was in the back of our minds almost every time that my father would appear in public. >> stahl: in his memoir, ted, sr., acknowledges that, after his divorce from joan, he drank too much at times and that his "bachelor lifestyle stirred up public doubts about his judgment." then, just when his career looked as though it might go off the rails, he