Famed coach Mike Jasnau, who has worked with Marshall Kent for several years, says he is not surprised by the young star’s domination of the 2016 U.S. Open. Playing from the right gutter on the fresh — if you were a member of The CORE you could have watched his first match Tuesday — to lofting the left gutter on the double burn, the 24-year-old right-hander advanced from 92nd after Friday’s first round to take the lead by 327 pins with perhaps the finest single day in...