Graeme McDowell in the hunt after four years of struggles
PACIFIC PALISADES, Calif. — Graeme McDowell carries a deadly 15th club in his bag at every golf tournament he enters: a great attitude. If everyone had as positive a perspective on life as McDowell does, the world would be a happier, more well-adjusted place. McDowell’s game, which was good enough to win the 2010 U.S....