had lead the coup to get rid of thieu, kennedy realized that the united states had finally bitten into bad apple. >> monday, november 4th, 1963, over the weekend, the coup in saigon took place. i feel that we must bear a good deal of responsibility for it. i should not have given my consent to it without a round table conference. i was shocked by the death of diem. the way he was killed made it particularly abhorrent. >> when that assassination took place, we owned it. it actually started that early in the '60s, in the kennedy administration. >> when kennedy came into office in january of 1961, you had on the order of about 600 u.s. military advisers in south vietnam. by the time he left on that fateful trip to dallas in november 1963, there were more than 16,000. [ applause ] >> john kennedy's death commands what his life conveyed, that america must move forward. >> i think johnson genuinely felt that continuity in the government after this terrible event was essential to retaining the confidence of the american people. >> and now the ideas and the ideals which he so nobly represented