Anzhelina Vorontsova once a rising star under Sergei Filin
                                
                                
                                    (Newser) -
                                    A young, ambitious ballerina appears to be at the center of  the January acid attack  on Bolshoi Ballet artistic director Sergei Filin, reports the  New York Times . Anzhelina Vorontsova, described by the paper as a "luminous blonde," made a splash when she was discovered at 16. Filin brought...