MSNBC's Ari Melber hosts "The Beat" on Thursday, March 13, and delivers a special report on presidential power and limits as Donald Trump tests the limits of the executive branch. Ankush Khardori and Elizabeth Jenkins join.

MSNBC's Ari Melber hosts "The Beat" on Monday, March 17, and reports on Donald Trump's deportation orders. The administration is facing a firestorm of criticism after moving forward with deportations despite the orders of a federal judge. John Flannery, Maya Wiley and Kate Drummond join.