U.S. President Donald Trump signs bill H.R. 390, the Iraq and Syria Genocide Relief and Accountability Act of 2018, in the Oval Office of the White House in Washington, D.C., U.S., on Tuesday, Dec. 11, 2018. Trump staged a confrontation Tuesday with the two top congressional Democrats before television cameras in the Oval Office as the dispute over funding for his border wall turned publicly acrimonious. Photographer: Yuri Gripas/Bloomberg via Getty Images