MSNBC's Michael Steele hosts "The Beat" on Monday, March 24, and reports on legal battles over Donald Trump’s controversial deportation efforts, the future of the Democratic Party, and mounting concerns over Elon Musk’s government conflicts of interest. Plus, Steele reports on rising national security fears after a leaked war plan from top U.S. officials. Ankush Khardori, Libby Casey, Eugene Robinson, Alencia Johnson, Rep. Joe Crowley, and Larry Pfeiffer join.