U.S. President Donald Trump shakes hands with Hungarian Prime Minister Viktor Orban during a meeting in the White House Oval Office in Washington on May 13.
Former U.S. Ambassador to Ukraine arrives on Capitol Hill to give testimony before the House Intelligence Committee as part of the impeachment investigation
U.S. President Donald Trump waits to congratulate graduates during the 2019 graduation ceremony at the United States Air Force Academy in Colorado Springs, Colorado, on May 30.
Ukrainian service members ride atop armored personnel carriers with Javelin antitank missiles during a military parade in Kyiv on Aug. 24, 2018, to celebrate Ukraine's Independence Day.
U.S. President Donald Trump speaks as Ukrainian President Volodymyr Zelensky speaks with an aide during a meeting on the sidelines of the United Nations General Assembly in New York on Sept. 25.
Rudy Giuliani, former New York City mayor and current lawyer for U.S. President Donald Trump, speaks to members of the media during a White House Sports and Fitness Day at the South Lawn of the White House May 30, 2018 in Washington, DC. (Alex Wong/Getty Images).
