Milford Daily News – On the heels of the expanded gambling law’s two-year anniversary, the chairman of the Massachusetts Gaming Commission says it may be three more years before a Bay State casino opens and called online wagering a “major unknown question” on the gambling horizon. The November 2011 law calls for up to three resort casinos, with one targeted for each of three regions, and one facility with up to 1,250 slot machines anywhere in the state. But voters in several Massachusetts communities – East Boston, Milford, and Palmer this month alone – have already turned down casino proposals,…