Musician, recording artist, and poet Billy Corgan left, and Chris Nowinski chairman of the Chicago Concussion Coalition speak after news conference held by the coalition Monday, Aug. 22, 2011, in ... more 
Musician, recording artist, and poet Billy Corgan left, and Chris Nowinski chairman of the Chicago Concussion Coalition speak after news conference held by the coalition Monday, Aug. 22, 2011, in Chicago. They were taking part in a workshop for high school coaches, administrators and trainers in Chicago, which in January passed an ordinance requiring public and private schools to take athletes who show concussion symptoms off the field. (AP Photo/M. Spencer Green) less 
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Associated Press | Photo By M. Spencer Green
Mon, Aug 22, 2011 5:51 PM EDT