Illinois Rep. Louis Lang, D-Skokie, argues medical marijuana legislation while on the House floor during session at the Illinois State Capitol Wednesday, April 17, 2013, in Springfield Ill. (AP ... more 
Illinois Rep. Louis Lang, D-Skokie, argues medical marijuana legislation while on the House floor during session at the Illinois State Capitol Wednesday, April 17, 2013, in Springfield Ill. (AP Photo/Seth Perlman) less 
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Associated Press | Photo By Seth Perlman
Wed, Apr 17, 2013 4:17 PM EDT