A revelatory look at the decisions that led to the U.S. involvement in Vietnam, drawing on the insights and reassessments of one of the war's architects "I had a part in a great failure. I made mistakes of perception, recommendation and execution. If I have learned anything I should share it."These are not words that Americans ever expected to hear from McGeorge Bundy, the national security adviser to Presidents John F. Kennedy and Lyndon B. Johnson...