There is no denying that, as in many sports, the rest of the world has closed the gap with the U.S. in bowling. And one country that has done a lot to close that gap is Korea, which has forged an international rivalry with the U.S. That played out again Saturday when Team USA's Bill O'Neill beat Korea's Choi Bok-Eum, 244-202, in the gold medal match of singles at the 2010 World Tenpin Bowling...