国际英语资讯:Spotlight: Trump impeachment trial in U.S. Senate gets underway

WASHINGTON, Jan. 16-- U.S. Chief Justice John Roberts was sworn in on Thursday afternoon on the Senate floor for the long-awaited impeachment trial of U.S. President Donald Trump, the third president in U.S. history to face such a trial in the upper chamber.

The trial is set to begin on Tuesday with Roberts presiding.