It was more than 48 years ago, but I remember vividly the night of March 31, 1968, when Lyndon Johnson surprised the world by announcing he would not run for a second full term as president. The stunning news came at the end of a speech from the Oval Office in which Johnson announced he was halting the bombing raids over North Vietnam – and it took my breath away. My anti-war friends and I had been demonstrating against the Vietnam War and against LBJ for many months (“Hey, hey, LBJ, how many