SAN FRANCISCO (Reuters) - Luke Donald is the top ranked player in the world and raking in a fortune. Last year, he finished at the head of the money lists in Europe and the United States, an unprecedented feat in the cut-throat world of professional golf. He has won tournaments on both sides of the Atlantic Ocean this year, yet for all his success the Briton remains dogged by one glaring omission from his CV, a major championship title. In the lead-up to this week's U.S. Open, Donald has almost gone unnoticed. ... More...