Another trade show is leaving Chicago this time for Atlanta, Georgia. The Chicago Tribune is reporting that the Healthcare Information and Management Systems Society meeting which has been held in Chicago's McCormick Convention Center for quite some time is leaving the city due to the high costs that unions force upon its exhibitors. In October we posted that the Plastics Industry Trade Association is also contemplating fleeing Chicago for southern hospitality for the same reason. The HIMSS reports that 2009 attendance in Chicago's McCormick Center was down by 5 percent compared to 2008. Attendance also dropped from 29,100 in 2008...