Here is the link to the actual Supreme Court document. Warning this PDF is 157 pages long...
http://www.supremecourtus.gov/opinions/07pdf/07-290.pdf

The Illinois State Rifle Association filed suit to over turn the Chicago gun laws:
http://cbs2chicago.com/local/supreme.court.handguns.2.757471.html

Daly says he will defend current Chicago gun laws:
http://www.suntimes.com/news/metro/1026348,daleygun062608.article

Pete