In this 2015 file photo, Exxon Mobil CEO Rex Tillerson delivers remarks on the release of a report by the National Petroleum Council on oil drilling in the Arctic, in Washington. On Monday, Dec. 12, 2016, President-elect Donald Trump selected Tillerson to lead the State Department.
In this 2015 file photo, Exxon Mobil CEO Rex Tillerson delivers remarks on the release of a report by the National Petroleum Council on oil drilling in the Arctic, in Washington. On Monday, Dec. 12, 2016, President-elect Donald Trump selected Tillerson to lead the State Department. Evan Vucci AP
In this 2015 file photo, Exxon Mobil CEO Rex Tillerson delivers remarks on the release of a report by the National Petroleum Council on oil drilling in the Arctic, in Washington. On Monday, Dec. 12, 2016, President-elect Donald Trump selected Tillerson to lead the State Department. Evan Vucci AP