FILE - In this June 6, 2012 file photo, Illinois Gov. Pat Quinn speaks at a news conference in Chicago. On Tuesday, July 31, 2012, Quinn plans to propose a ban on assault weapons in Ill

 

              FILE - In this June 6, 2012 file photo, Illinois Gov. Pat Quinn speaks at a news conference in Chicago. On Tuesday, July 31, 2012, Quinn plans to propose a ban on assault weapons in Ill
FILE - In this June 6, 2012 file photo, Illinois Gov. Pat Quinn speaks at a news conference in Chicago. On Tuesday, July 31, 2012, Quinn plans to propose a ban on assault weapons in Illinois. He will use his amendatory veto power Tuesday to include the ban in a bill related to ammunition sales. It would then be up to lawmakers to accept his changes or reject them. (AP Photo/M. Spencer Green, File)