Copyright 2011 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
Source: http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNE3jrTU5DwyHk4GtsQSUa0Nx5rTEQ&url=http://www.chicagotribune.com/news/chi-ap-ia-iowacasinostudy,0,869444.story