John McCain once took on Hillary Clinton in a drinking contest. It was at a restaurant in Estonia in 2004, during a congressional tour. Both politicians managed four shots of vodka; the rules were unclear, but Hillary -- McCain's one-time political rival -- was declared the winner, according to the restaurant proprietor (though in her own account, Clinton said they "agreed to withdraw in honorable fashion," rather than name a winner). That image sums up the humanity and character of the late Senator McCain, who will be mourned deeply on both sides of the political aisle. He embodied a more...