File photo taken on Jan. 7, 2021 shows Speaker Nancy Pelosi of the U.S. House of Representatives speaking during a press conference on Capitol Hill in Washington, D.C., the United States. Pelosi said on Sunday that Democrats are ready to start proceedings to impeach outgoing President Donald Trump for a second time in just over a year. (Photo by Ting Shen/Xinhua)

File photo taken on Jan. 7, 2021 shows Speaker Nancy Pelosi of the U.S. House of Representatives speaking during a press conference on Capitol Hill in Washington, D.C., the United States. Pelosi said on Sunday that Democrats are ready to start proceedings to impeach outgoing President Donald Trump for a second time in just over a year. (Photo by Ting Shen/Xinhua)

File photo taken on Jan. 7, 2021 shows Speaker Nancy Pelosi of the U.S. House of Representatives speaking during a press conference on Capitol Hill in Washington, D.C., the United States. Pelosi said on Sunday that Democrats are ready to start proceedings to impeach outgoing President Donald Trump for a second time in just over a year. (Photo by Ting Shen/Xinhua)