The future of sports gambling

States, casinos, teams, and fans all hope to cash in on legal sports betting. Can they all be winners? Here's everything you need to know: Where is it legal? Sixteen states have passed legislation permitting sports betting over the past year, and six have already set up betting operations. Last May, the U.S. Supreme Court struck down a federal law limiting sports gambling to Nevada, ruling that the law unconstitutionally intruded into state decisions. New Jersey led the charge to...