U.S. Supreme Court Chief Justice John Roberts swears in the final senator, Senator James Inhofe (R-OK) as the Chief Justice presides over the start of the U.S. Senate impeachment trial of U.S. President Donald Trump in this frame grab from video shot in the U.S. Senate Chamber at the U.S. Capitol in Washington, U.S., January 21, 2020. REUTERS/U.S. Senate TV/Handout via Reuters
