MEDINAH, Illinois (Reuters) - World number one Rory McIlroy and Graeme McDowell gave Europe their first point of the 39th Ryder Cup on Friday only to fall to Phil Mickelson and Keegan Bradley in the fourballs as the U.S. took a 5-3 opening day lead. The Northern Irish duo, sent out first by Europe captain Jose Maria Olazabal, had lost a three-hole lead in the foursomes before snatching a victory ...