They had come to praise Cosby, not to bury him. But the Cos had a few words to the wise for state legislators gathered in Philadelphia yesterday - and they weren't all words of praise. Bill Cosby - TV star, comedian, educator and native Philadelphian was back on home turf bringing his "tough-love" talk to the the National Caucus of Black Legislators. He told them to get their act together and start fixing some of the problems afflicting black communities around the country. "There are too many young men killing each other over irresponsibility," Cosby said at the opening session...