WASHINGTON, DC - JANUARY 24: President Donald Trump looks on after signing one of five executive orders related to the oil pipeline industry in the Oval Office of the White House January 24, 2017 in Washington, DC. Also pictured are White House Chief of Staff Reince Priebus (L), White House Communications Director Hope Hicks (3rd R) and Senior Advisor Jared Kushner (R). (Photo by Shawn Thew-Pool/Getty Images)
US President Donald Trump signs an executive order for a federal hiring freeze alongside White House Chief of Staff Reince Priebus (C), US Vice President Mike Pence (L) and Senior Advisor Jared Kushner(R) in the Oval Office of the White House in Washington, DC, January 23, 2017. Trump signed the decree Monday, effectively ending US participation in a sweeping trans-Pacific free trade agreement negotiated under former president Barack Obama. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
WASHINGTON, DC - JANUARY 24: President Donald Trump signs one of five executive orders related to the oil pipeline industry in the Oval Office of the White House January 24, 2017 in Washington, DC. Looking on are White House Chief of Staff Reince Priebus, counselor to the President Kellyanne Conway, White House Communications Director Hope Hicks, Senior Advisor Jared Kushner (2nd R) and Senior Counselor Stephen Bannon (R). (Photo by Shawn Thew-Pool/Getty Images)
US President Donald Trump signs an executive order in the Oval Office at the White House in Washington, DC, on January 24, 2017. US President Donald Trump signed executive orders January 24, 2017 reviving the construction of two controversial oil pipelines, but said the projects would be subject to renegotiation. Trump gave an amber light to the Keystone XL pipeline -- which would carry crude from Canada to US refineries on the Gulf Coast -- and an equally controversial pipeline crossing in North Dakota. / AFP / NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
