( Financial Times ) -- Two Russian billionaires have clashed publicly over corporate governance at the world 's largest aluminium company , after Viktor Vekselberg said United Company Rusal was in `` deep crisis '' because of bad management and a heavy debt load . Two Russian billionaires clash on governance at the world 's largest aluminium company , . Score: 6 Oleg Deripaska , Rusal 's chief executive , said 'there is no crisis '
Two Russian billionaires clash on governance at the world 's largest aluminium company , . Score: 6 Oleg Deripaska , Rusal 's chief executive , said 'there is no crisis '