Ruling expected soon on Sioux City casino suit October 25, 2012 at 8:16 am DES MOINES, Iowa (AP) – A judge says he expects to rule early next week on a breach-of-contract lawsuit involving a casino in Sioux City. Judge Robert Hanson heard arguments Wednesday afternoon in Polk County. They came from lawyers for Penn National Gaming, whose subsidiary operates the Argosy riverboat casino, and Missouri River Historical Development, the nonprofit group that holds the state gambling license. Penn National’s attorneys say the historical development group has violated a contract signed in June. The group says the contract hasn’t been approved by state regulators and isn’t valid. Penn National wants a temporary injunction to keep the group from partnering with another casino operator that would run a land-based casino in Sioux City. Copyright 2012 The Associated Press.