- 50 years ago the stage was set for decisions that doomed LBJ's presidency
- Julian Zelizer says LBJ was riding high after 1964 landslide, could have avoided Vietnam escalation
Julian Zelizer is a professor of history and public affairs at Princeton University and a New America fellow. He is the author of the new book, "The Fierce Urgency of Now: Lyndon Johnson, Congress and the Battle for the Great Society." The opinions expressed in this commentary are solely those of the author.
(CNN)Even in their greatest moments of triumph, American presidents can make decisions that in the long run will devastate their legacies.