impeachment January 28, 2020 11:23 am Bolton Allegations Loom Over Impeachment Trial More Republicans are calling for witness testimony in the impeachment trial of President Trump following new accusations from former National Security Advisor John Bolton. US & World Videos 14:37 @Issue extra: A retrospective on the Boston 2024 Olympics bid 3:07 What's working for Biden's campaign — and what's not working for Trump 4:10 Thoughts as jury selection gets underway in Trump's hush money trial 1:06 Former Sen. Joseph Lieberman dead at 82 1:23 Majorie Taylor Greene files motion to oust Mike Johnson from House speakership