There is a lawsuit filed against the new Chicago gun law. It asks that the law be ruled unconstitutional and discusses those sections of the law it identifies as violating the consitution - it also asks for an injunction against the law in the mean time. The lawsuit is funded by the NRA, though the NRA is not a direct party in the lawsuit. The lawsuit may be read here:
Would be interested in anyones opinion on this and its merits - hope it prevails.