The third oligarch

Roman Abramovich will take a 7.3 per cent stake in Norilsk Nickel that could resolve the long-running battle between its two major shareholders, Interros and Rusal. Lex's Vincent Boland and Richard Stovin-Bradford discuss whether the introduction of a third billionaire will bring an amicable conclusion to the convoluted four-year battle between Vladimir Potanin and Oleg Deripaska.