Exxon Mobil chairman and CEO Rex Tillerson gestures while speaking at a discussion organized by the Economic Club of Washington on the energy innovations that have led to a new era of energy abundance for North America in Washington, DC on March 12, 2015. AFP PHOTO/ NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
WASHINGTON, DC - NOVEMBER 17: The early morning sun begins to rise behind the U.S. Capitol on November 17, 2016 in Washington, DC. Later today, Vice President-elect Mike Pence is scheduled to meet with Congressional lawmakers on Capitol Hill. (Photo by Mark Wilson/Getty Images)
US Secretary of State Rex Tillerson speaks on visa travel at the US Customs and Border Protection Press Room in the Reagan Building on March 6, 2017 in Washington, DC.
US President Donald Trump signed a revised ban on travelers from six Muslim-majority nations Monday -- one with a reduced scope so Iraqis and permanent US residents are exempt. The White House said Trump signed the order -- which temporarily freezes new visas for Syrians, Iranians, Libyans, Somalis, Yemenis and Sudanese citizens -- behind closed doors "this morning".
/ AFP PHOTO / MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
WASHINGTON, DC - MARCH 07: State Department acting spokesman Mark Toner answers reporters' questions during the department's first on-camera briefing since President Donald Trump was inaugurated March 7, 2017 in Washington, DC. Toner previously the deputy spokesman during the Obama administration. (Photo by Chip Somodevilla/Getty Images)
US President Donald Trump shakes hands with US Army Lieutenant General H.R. McMaster (L) as his national security adviser at his Mar-a-Lago resort in Palm Beach, Florida, on February 20, 2017. / AFP / NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
