On June 19, 1953, Harry Truman got up early, packed the trunk of his Chrysler New Yorker, and did something no other former president has done before or since: he hit the road. No Secret Service protection. No traveling press. Just Harry and his childhood sweetheart Bess off to visit old friends, take in a Broadway play, celebrate their wedding anniversary in the Big Apple, and blow a bit of the money he'd just received to write his memoirs. Hopefully...