Former President Donald Trump was arraigned today at a federal courthouse in Miami, where he pleaded not guilty to 37 counts regarding 31 classified documents recovered from Mar-a-Lago last August. Former Deputy Assistant Attorney General Lisa Graves, former federal prosecutor Renato Mariotti and civil rights attorney David Henderson join Mehdi to break apart the potential defenses Trump could put forward. » Subscribe to MSNBC: on.msnbc.com/SubscribeTomsnbc Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog ReidOut Blog: msnbc.com/reidoutblog MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, The Beat with Ari Melber, Deadline: White House, The ReidOut, All In, Last Word, 11th Hour, and Alex Wagner who brings her breadth of reporting experience to MSNBC primetime. Watch “Alex Wagner Tonight” Tuesday throug...