Nine are charged in crimes over more than 20 years
                                
                                
                                    (Newser) -
                                    Federal authorities have announced charges against a ring of nine people for thefts of millions of dollars' worth of paintings, sports memorabilia, and other valuables, including an Andy Warhol silkscreen, a Jackson Pollock painting, and nine World Series rings belonging to the late Yankees Hall of Famer Yogi Berra. The...