Filed at 3:45 p.m. ET Being selected the U.S. candidate for the 2012 Summer Olympics was the easy part for New York. Now comes the true challenge -- winning the international race. Backers of New York's bid were ecstatic after beating out San Francisco in a vote of the U.S. Olympic Committee on Saturday to become the nation's official entry for 2012. It marked the end of a five-year domestic selection process that began with eight candidate cities. But that was just a warmup for the high-stakes global contest which could feature a dozen contenders. ``We're going to win,'' New...