Rex Tillerson, the former chairman and chief executive officer of Exxon Mobil, testifies before a Senate Foreign Relations Committee confirmation hearing on his nomination to be U.S. secretary of state in Washington, D.C. on Jan. 11, 2017. Credit: Jonathan Ernst / REUTERS
Rex Tillerson, the former chairman and chief executive officer of Exxon Mobil, testifies before a Senate Foreign Relations Committee confirmation hearing on his nomination to be U.S. secretary of state in Washington, D.C. on Jan. 11, 2017.