A Russian Olympic gymnast widely believed to be the mistress of Russian President Vladimir Putin has emerged to lead a patriotic rhythmic gymnastics festival in Moscow. Alina Kabaeva, 38, stepped out to lead her annual 'Alina Festival' at the Russian capital's VTB Arena and delivered a speech to the press in which she appeared to link the Soviet victory over Nazism in the Second World War to today's events in Ukraine. It marked a rare public appearance for the former gymnast, who is thought to be the Russian strongman's mistress and mother of four of his children whom he has...