As 230 U.S. Olympic athletes gear up to compete in the 2014 Winter Games, the only thing colder than the slopes at Sochi is the fact that any prizes awarded by the U.S. Olympic Commission (USOC) will be taxed by the IRS. Many Americans don't realize that the U.S. taxes income earned abroad, and as such even the winnings of Olympic athletes are subject to the reach of the IRS....