MSNBC's Ari Melber hosts "The Beat" on Wednesday, September 7 and reports on new details in the Trump document scandal, as The Washington Post reports Trump had nuclear intelligence documents at Mar-A-Lago. Plus, Former Trump Attorney General Bill Barr saying the DOJ is “getting very close” in its technical case to indict Trump. Fmr. SDNY attorney David Kelley and Fmr. FBI official Frank Figliuzzi join.