Tillerson to face questions on Russian ties at confirmation hearing

By Lesley Wroughton and Patricia Zengerle WASHINGTON (Reuters) - President-elect Donald Trump's pick for secretary of state, Rex Tillerson, faces tough questioning at his confirmation hearing on Wednesday over his ties to Russian President Vladimir Putin as both Democrats and Republicans worry about Moscow's increasingly aggressive behaviour. The central question facing Tillerson, 64, the former chairman of Exxon Mobil, is how effectively he can transform himself from a Big Oil "dealmaker" to be