The sternest test in golf is upon us, and the pressure is palpable -- although not just for the players.
The organization that runs the U.S. Open -- the United States Golf Association -- is feeling uneasy, like those attempting to hit shots out of the knee-high grass that borders the fairways. Grumbling at the year's second major championship is common; such is the nature of a tournament and course setup that tests the resolve of the best players in the world.
But last year's rules debacle concerning eventual champion Dustin Johnson at Oakmont (not to mention the one that occurred during the U.