Spotlight: U.S. House polarized, public divided over Trump impeachment

A protest sign is seen outside the White House in Washington D.C., the United States, on Dec. 18, 2019. As an hours-long U.S. House debate on impeachment articles nears its end Wednesday, a much-anticipated vote that follows will decide whether Donald Trump will become the third U.S. president to be impeached in U.S. history. (Xinhua/Liu Jie)