The Biden Administration has released more than 13,000 files related to the assassination of President John F. Kennedy, but thousands more remain secret, despite a 30-year-old law demanding transparency by now. Presidential Historian Michael Beschloss joins Andrea Mitchell to share what the newly declassified files reveal and what critical questions remain unresolved. » Subscribe to MSNBC: Follow MSNBC Show Blogs MaddowBlog: ReidOut Blog: 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 through Friday at 9pm Eastern. Conn
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