From WSJ The debate over Internet gambling has been raging in the U.S. for more than a decade. Until recently, the federal government treated Internet gambling as an illegal activity. Fueled by the 50-year-old Wire Act, which bans sports betting over communication wires, and a 2006 law that made it illegal to process U.S. payments for online gambling, the Justice Department targeted online-gambling companies and their partners with criminal and civil lawsuits. But in late 2011, the Justice Department changed its interpretation of the law, opening the way for states to consider some forms of Internet betting. Earlier this year,...