Elon Musk challenged all federal workers to explain why they should still be employed for the government or lose their jobs. Sen. Chris Van Hollen, D-Md., joins Alex Witt to discuss President Trump’s directive for Elon Musk to cut more of the federal workforce, the latest developments on a mineral deal with Ukraine, and more. - For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ » Subscribe to MSNBC: https://www.youtube.com/msnbc »