“I never dreamed in a zillion years that it would be as prevalent as it is now,” said Jim Kilby, a gambling consultant and author who has spent 43 years in the business. The change means every mid-Atlantic state, except Virginia and the District of Columbia, allows some form of gambling, from virtual slot machines in New York to online gambling in Delaware. 6 approved Question 7, which legalized table games and around-the-clock gambling, and bumped the number of planned casinos in the state from five to six. WASHINGTON - Maryland’s incursion into the world of legalized gambling is likely to bring the state millions of dollars in tax revenues, but industry experts predict the decision to allow table games will continue a decades-long tradition of states cannibalizing one another’s markets for personal gain.