Paul McCartney married his 51-YEAR-OLD (!!) American heiress and cousin of Barbara Walters girlfriend, Nancy Shevell, on Saturday. They exchanged vows at London's Old Marylebone Town Hall. The same town hall where McCartney married his first wife and on what would have been John Lennon's 71st birthday. Note that there is no mention of Paul's second wife, Peg Leg, I mean, Heather Mills who he went through a bitter ...