U.S. Secretary of Defense Mark Esper speaks as President Donald Trump listens during the daily White House coronavirus press briefing on April 1 in Washington.
U.S. President Donald Trump shakes hands with Chinese Vice Premier Liu He after announcing a "phase one" trade agreement with China in Washington on Oct. 11, 2019.
U.S. President Donald Trump signs a document reinstating sanctions against Iran after announcing the U.S. withdrawal from the Iran nuclear deal in Washington on May 8, 2018.
Irish Taoiseach (prime minister) Leo Varadkar meets with Northern Ireland First Minister Arlene Foster and Northern Ireland Deputy First Minister Michelle O'Neill to discuss the ongoing coronavirus pandemic.