and we're back with our outer circle. we reach out to sources around the world tonight. we go to moscow. a dancer from the bolshoi ballet has confessed to plotting an acid attack that injured the company's director. the dancer and two others are under arrest. i asked our phil black in moscow if authorities have figured out why they did it. >> there's only been a small clue from russian police. they say the dancer and the artistic director of the bolshoi had what they described as a hostile working relationship. not a huge surprise given the bolshoi's longstanding reputation for powerful rivalries and animosities and the fact sergei filin has always maintained he believed it was a colleague, probably even a dancer, who was responsible for trying to use violence to drive him from his position. while the police are not giving away details just yet, the russian public are engaging in a