President Barack Obama’s love of golf hit a milestone today as he marked his 100th time on the links. His Father’s Day achievement was reached at the Beverly Country Club in his hometown, the windy city. Mark Knoller, CBS radio correspondent and chronicler of all things presidential, pointed out the quiet occasion to the traveling press. Like 15 of the 18 presidents since Theodore Roosevelt, Obama has used golf as a way to unwind outdoors, but away from the prying eyes of press and onlookers. And despite the fact that he had never golfed before taking office, his love of...