Clara Guerrero and Rocio Restrepo of Colombia closed with two big games to win the doubles gold medal before their home fans on Tuesday at the Pan American Bowling Confederation Championships. With 516 and 489 to finish, the two PWBA Tour champions totaled 2,756 to win gold by 40 pins over Aruba's Kamilah Dammers and Thashaina Seraus at Bolera Departamental in Cali, Colombia, the United States Bowling Congress reported. Guerrero, a Columbia 300 staffer, fired 1,394 (250-203-206-211-280-244)...