Since 2006, online gambling has been illegal in the United States, forcing the lucrative market overseas. The law has also forced social gaming companies to make their Facebook poker games into strictly fake-money affairs (even though many players buy and sell chips for real money through shady third-party services). That could all be set to change though, with word that the House Financial Services Committee has passed a measure that would legalize and regulate many forms of online gambling, including online poker. If and when the bill eventually becomes law, social games like Zynga’s Texas Hold’em Poker and the millions of…