John Szczerbinski and defending champion Danielle McEwan won the titles as the 2013 Team USA Trials ended Monday in suburban Las Vegas, the United States Bowling Congress reported. The winners made Team USA and earned the right to represent the U.S. at the QubicaAMF World Cup later this year. After five rounds of qualifying, the three points leaders (explanation below) from both the 171-player men's field and 85-player women's field competed in a stepladder finals for the titles. The fifth...