DONALD TRUMP January 21, 2020 4:56 pm Key Moments From Day 1 of Senate Impeachment Trial The impeachment trial of President Donald Trump began in the Senate on Tuesday. Here are some key moments. US & World Videos 1:06 Former Sen. Joseph Lieberman dead at 82 1:23 Majorie Taylor Greene files motion to oust Mike Johnson from House speakership 1:56 GOP responds after Schumer calls for new leadership in Israel 2:57 Nikki Haley suspends presidential campaign: ‘I have no regrets' 0:40 5 things to know about Jason Palmer