"Those three. The Russian martial art, formerly forbidden to all but Spetsnaz and KGB bodyguards. It has its formal basis in Cossack dancing. Quite unlike anything Eastern." He looks like a very determined child, on Christmas morning, who's finally gotten his way and been allowed downstairs. "But you haven't been introduced to Sergei Magomedov," he says, indicating the young translator, who offers her his hand.