That is what the owners of Rivers Casino are betting on when it opens Monday, and what other casino operators are trying to head off. 'If I like this casino, I probably won't even go to Harrah's anymore,' she says. But now that the Rivers Casino is opening in nearby Des Plaines, she's ready to change her loyalties. For the 55-year-old school lunch supervisor, it's a fun little getaway from her home in Northlake. As a frequent customer, she occasionally gets a free meal or hotel room. Once a month, Stephanie Klinger drives an hour to Harrah's Joliet casino, sits in front of the slots with her husband, has a few laughs, and spends about $300.
