(CNSNews.com) - Attorney Johnnie Cochran, who successfully defended accused killer O.J. Simpson, says he is representing at least seven families who lost relatives in Sunday night's Chicago nightclub fire, and he says he doesn't care if that offends black leaders who are rallying around the nightclub's owner. Speaking on National Public Radio's Tavis Smiley show, Cochran called the nightclub stampede a "tragedy that need not have happened." According to Cochran, "There is enough blame and enough fault to go around for everybody." He believes the nightclub owners and the city both bear some responsibility. "There are so many things that...