According to Politico reporting, Republican Sen. Roger Wicker called Hegseth's speech on Ukraine a “rookie mistake," adding, "It is the kind of thing Tucker Carlson could have written, and Carlson is a fool." Former CIA director John Brennan joins to discuss that 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 » Subscribe to MSNBC on TikTok https://www.tiktok.com/@msnbc »