Reporting from Illinois Public Radio's Amanda Vinicky used in this report.
Illinois' 10th casino is open after years of legal and regulatory fights over its gambling license.
The Rivers Casino officially opened Monday in the Chicago suburb of Des Plaines. The license had long been dormant since originally being approved for the city of Rosemont in 1999.
Gov. Pat Quinn says he approves of the way the state's gaming board chose the Des Plaines location.
A major state employee union has asked an arbitrator to decide whether Illinois Gov. Pat Quinn can cancel scheduled raises for thousands of workers.
The American Federation of State, County and Municipal Employees sought the ruling Thursday. Quinn announced last week he was canceling the $75 million in raises to help deal with the state's budget crisis.