In this photo released by Xinhua on Jan. 18, 2019, Nancy Pelosi speaks during a press conference on Capitol Hill in Washington D.C., the United States. U.S. President Donald Trump on Thursday told Speaker Nancy Pelosi that her planned foreign trip has been postponed, one day after the top House Democrat asked him to delay the State of the Union address due to the ongoing partial government shutdown. (Xinhua/Ting Shen)