U.S. Senate Majority Leader Mitch McConnell speaks at a press conference on Capitol Hill in Washington D.C., the United States, on Dec. 17, 2019. Mitch McConnell on Tuesday refused Senate Democratic Leader Charles Schumer's framework on impeachment trial including testimony from four former and current White House senior officials, signaling that he wants the impeachment trial of President Donald Trump to mirror that of Bill Clinton. (Photo by Ting Shen/Xinhua)