SAN FRANCISCO (Reuters) - Of all the great records he has chalked up in his career, there is one label that Phil Mickelson really wishes he did not own: most second-place finishes at the U.S. Open. By any standards, Mickelson's five runner-up finishes at the U.S. Open are a great achievement and a source of pride to the American because the tournament is traditionally the toughest major to win and does not suit his swashbuckling game. However, it also remains a source of deep frustration for the popular American because he has never won his national open and believes he should have by now. ... More...