Jason Belmonte’s astounding dominance at the 2013 Lipton U.S. Open in Columbus, Ohio continued in Thursday’s semifinal cashers round as he extended his lead to 449 pins. Defending champion Pete Weber was in second heading into the cashers round and shot the fourth-highest block of the round at 1,341 for six games but Belmonte had the high block among the 65 semifinalists with a 1,409 that included a perfect game. Heading into the 24 games of round-robin match play Thursday...