MSNBC's Ari Melber hosts "The Beat" on Tuesday, June 3, and reports on Elon Musk's abrupt exit from politics. Melber is joined by Newark Mayor Ras Baraka, who is suing former Trump lawyer Alina Habba and a DHS investigator for arresting him outside of an ICE detention facility last month. Plus, Melber sits down for an extended interview with renowned historian and best-selling author Yuval Noah Harari. Political strategist Bill Kristol also joins.