The British Open, or the Open Championship as it's known outside the United States, is believed to be the most challenging tournament in professional golf. There was no greater Open than in 1977 at Turnberry on Scotland's southwest coast, when Tom Watson and Jack Nicklaus battled over the last thirty-six holes with Watson winning with a closing birdie. Drawing on interviews with participants, caddies, journalists, and spectators, Michael Corcoran...