ARDMORE, Pa. — Even for Phil Mickelson, his path to the top of the leaderboard Thursday in the U.S. Open was unconventional. He traveled about 2,400 miles in the air and 7,000 yards on the ground. He took a short nap on his private jet from San Diego and another one during a rain delay when he found a secluded corner of the library room in the Merion clubhouse.
Round 1 All about Lefty

