Sorenson's address to the Macalester Vietnam symposium followed by a question and answer session. Topic is Vietnam's effect on the presidency. Hosted by John Ydstie.Theodore Sorenson, former aide to Presidents John F. Kennedy and Lyndon Johnson, speaks on the effect of Vietnam on the Presidency. Sorenson's speech is part of a week-long symposium at Macalester College in St. Paul on "The Vietnam Experience and America Today."