[demachina]

You are incorrect. Casino gambling is entirely state regulated, there is no Federal law controlling it. More and more of them are allowing it because its an easy way to boost their tax revenues without raising income and property taxes.

The Mississippi gulf coast has had casino gambling since the 1990's when it was authorized by the state, http://www.worldcasinodirectory.com/mississippi.

Colorado voters legalized casino gambling in BlackHawk in the 1990's as well, http://www.blackhawkcolorado.com.

Detroit legalized gambling in the 1990's, and a number of state legalized it on riverboats on the Mississipi in the 90's as well.

The Federal laws on the subjects mostly apply to interstate gambling enterprises which is where they do have jurisdiction, in particular sports betting and the 2006 law which outlawed online gambling primarily by preventing banks from transferring funds to and from online gambling sites.