A security guard walks past a welcoming banner at Pristina International Airport prior to the arrival of the U.S. Vice President Joe Biden in Kosovo on May 21, 2009. (Armend Nimani/AFP/Getty Images)
Chinese President Xi Jinping shakes hands with former United States Secretary of State Henry Kissinger at the Great Hall of the People on March 17, 2015 in Beijing, China. (Feng Li/Getty Images)
President Donald Trump leaves the East Room of the White House after a summit as senior adviser and daughter Ivanka Trump, and senior adviser and son-in-law Jared Kushner look on May 18, 2018 in Washington. (Alex Wong/Getty Images)
Vice President Mike Pence listens while Speaker Nancy Pelosi and Senate Minority Leader Charles E. Schumer argue with President Donald Trump at the White House on Dec. 11, 2018 in Washington. (Brendan Smalowski/AFP/Getty Images)
Chinese President Xi Jinping speaks with German Chancellor Angela Merkel at the G-20 summit in Hangzhou, China, on Sept. 4, 2016. (Lintao Zhang/Getty Images)
Rep. Alexandria Ocasio-Cortez talks to fellow members of Congress during the first session of the 116th Congress at the U.S. Capitol on Jan. 03, 2019 in Washington, DC. (Win McNamee/Getty Images)
Fireworks explode following an inauguration celebration for President-elect Donald Trump at the Lincoln Memorial on Jan. 19, 2017 in Washington, DC. (Scott Olson/Getty Images)
President Donald Trump walks with Secretary of Defence James Mattis, Secretary of State Mike Pompeo, and National Security Adviser John Bolton at the NATO headquarters in Brussels, on July 11. (Emmanuel Dunand/AFP/Getty Images)
President Donald Trump, first lady Melania Trump, former President Barack Obama, former first lady Michelle Obama, former President Bill Clinton and former Secretary of State Hillary Clinton listen during a state funeral for former U.S. President George H. W. Bush at the Washington National Cathedral on Dec. 5, 2018 in Washington, DC. (Alex Brandon/Getty Images)
U.S. President Donald Trump waves after pardoning a turkey in a ceremony at the White House in Washington, D.C. on Nov. 21, 2017. (Andrew Caballero-Reynolds/AFP/Getty Images)
