Democratic presidential contender Warren drops out of 2020 race

File photo taken on Feb. 19, 2020 shows U.S. Senator Elizabeth Warren (R) of Massachusetts speaking during an interview after the Democratic Party's ninth presidential debate in Las Vegas, Nevada, the United States. Senator Elizabeth Warren of Massachusetts, campaigning as a progressive Democrat, said on March 5 that she is dropping out of 2020 U.S. presidential race. (Xinhua/Liu Jie)