U.S. President Donald Trump with other world leaders on the first day of the G-20 economic summit on July 7 in Hamburg, Germany. (Sean Gallup/Getty Images)
U.S. President Donald Trump takes part in a welcoming ceremony with Chinese President Xi Jinping on Nov. 9 in Beijing, China. (Thomas Peter-Pool/Getty Images)
A member of the US-backed Syrian Democratic Forces (SDF) removes an Islamic State flag in the Syrian town of Tabqa on April 30. (DELIL SOULEIMAN/AFP/Getty Images)
US Secretary of State Frank B. Kellogg signs The Kellogg Briand Pact (or Pact of Paris) for Renunciation of War as an Instrument of National Policy on August 27, 1928 at the ministry of foreign affairs in Paris. Background French Foreign Affairs Minister Aristide Briand. / AFP / - (Photo credit should read -/AFP/Getty Images)
TOPSHOT - Visitor looks the names on the wall of the Vietnam Veterans Memorial in Washington DC, May 28, 2017.
Motorcyclists are in Washington for the traditional annual Rolling Thunder ahead of Memorial Day, May 29. / AFP PHOTO / Jose Luis Magana (Photo credit should read JOSE LUIS MAGANA/AFP/Getty Images)
US President Donald Trump (L) speaks to the press with Ambassador to the United Nations Nikki Haley (R) on August 11, 2017, at Trump National Golf Club in Bedminster, New Jersey.
Trump said Friday that he was considering options involving the US military as a response to the escalating political crisis in Venezuela. / AFP PHOTO / JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)
PHOENIX, AZ - AUGUST 22: U.S. President Donald Trump speaks to supporters at the Phoenix Convention Center during a rally on August 22, 2017 in Phoenix, Arizona. An earlier statement by the president that he was considering a pardon for Joe Arpaio,, the former sheriff of Maricopa County who was convicted of criminal contempt of court for defying a court order in a case involving racial profiling, has angered Latinos and immigrant rights advocates. (Photo by Ralph Freso/Getty Images)
