Politicians in both parties are betting that allowing more gambling will make them winners at the polls by raising revenue without appearing to raise taxes.
Governors Andrew Cuomo of New York and Steve Beshear of Kentucky, both Democrats, each want seven casinos.
In Kansas, where the state owns casinos, Governor Sam Brownback, a Republican, wants more gambling money to pay down state debts.
In Minnesota, Governor Mark Dayton of the Democratic-Farmer-Labor party wants more gambling to finance a new stadium for the privately owned Vikings football team.
Florida legislators are mulling three casinos, one in Miami. Illinois lawmakers may allow a casino in Chicago.