GOPs Nikki Haley takes on Trump
MSNBC\u2019s Ari Melber hosts \u201cThe Beat\u201d on Tuesday, February 14, and reports on Mike Pence\u2019s plans to fight the special counsel subpoena on the 2020 election, and Donald Trump\u2019s first 2024 GOP challenger. Plus, Melber talks nuclear fusion and UFO\u2019s with astrophysicist Neil Degrasse Tyson. Andrew Weissman, David Kelley, and Juanita Tolliver also join.