impeachment January 21, 2020 7:56 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 22:22 WATCH: Pa. voters speak on Biden, Trump, abortion, economy, immigration, Israel-Hamas War and more 3:32 Biden on campus protests: ‘Order must prevail' 3:26 Mayor Parker addresses City Council to discuss the future of Philadelphia schools 2:04 Pro-Palestinian protests continue at University of Pennsylvania 1:42 Pro-Palestinian protesters set up camp at Penn