On March 31, 1968, President Lyndon B. Johnson announced he would not seek re-election, amidst ongoing protests over the Vietnam War, low popularity, and a poor performance in the New Hampshire primary.  After President Biden stepped down from the 2024 Presidential Election many Americans saw similarities between this cycle and the 1968 race.  Professor of History at Rice University, author, and presidential historian Douglas Brinkley sits down with Martha for a two-part conversation to put these recent events into historical perspective.   Martha and Douglas also discuss the recent U.S. Secret Service failures and breakdowns after the assassination attempt on former President Trump.  Follow Martha on X: @MarthaMacCallum Learn more about your ad choices. Visit megaphone.fm/adchoices