In this image from Senate Television, Sen. Lindsey Graham, R-S.C., pauses as he speaks on the Senate floor at the Capitol in Washington, on Tuesday, Aug. 28, 2018, next to the desk of Sen. John McCain, R-Ariz., draped in black with a bowl of white roses sitting on it. McCain died on Aug. 25 after battling brain cancer. Graham was McCain's best friend in the Senate. (Senate Television via AP)