Card Player – Billionaire casino boss Sheldon Adelson is keeping his foot on the pedal in his desperate quest to squash online poker in the United States. The owner of Las Vegas Sands Corp. reportedly just commissioned a study of four states in order to show that legalizing online gambling, including poker, is currently not too popular among voters. According to Ralston Reports, the Tarrance Group, a well regarded national firm, recently completed a series of polls for the Las Vegas Sands chairman. Surveys were conducted in California, Kentucky, Virginia, and Pennsylvania and “found overwhelming opposition to web poker.” The…