Most experts will tell you that the world has closed the gap on the U.S. in bowling. It's seen most visibly on the PBA Tour, where foreign champions no longer are the novelty Mats Karlsson and Amleto Monacelli were a quarter century ago. Just in the past couple of years, PBA Tour titles have been won by bowlers from Australia, Colombia, Korea and England. But Team USA has had a resurgence in international competition recently, most notably in winning the most recent WTBA World Championships...