Politics & Government Bolton Should Testify In Impeachment Trial, Sen. Van Hollen Says 7:44am January 28, 2020 Politics Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2020 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition Arts National At 83, Martha Stewart celebrates gardening with her 101st book by Michel Martin World News Morning news brief by A Martínez 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate