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    Photographer captured Nixon's resignation 50 years ago; today he looks back

    09:36
  • Meacham: Nixon broke the law but in the end he had a sense of shame

    11:21
  • 'As important as our founding documents': Historian on the Civil Rights Act

    05:48
  • Biden to call for Supreme Court reform and limits on presidential immunity

    01:53
  • Biden meets with Netanyahu at the White House

    01:06
  • Lawrence: There is no other record like Joe Biden's in American political history

    10:39
  • 'One of our greatest presidents. Period.’: Karine Jean-Pierre on 'historic' Biden speech

    09:40
  • Harris rips Trump before fired-up crowd, campaign touting massive donations

    09:40
  • Buttigieg: Harris helped 'set the tone' for the Biden admin

    05:36
  • Lawrence: Joe Biden launched Kamala Harris' campaign flawlessly and passed the torch

    23:09
  • VP Harris speaks with major Democratic donors amid President Biden's candidacy concerns

    10:53
  • 'I hope the president does the right thing': Democratic lawmaker calls on Biden to step aside

    06:16
  • 'We're close to the end': Biden world braces for the possibility he steps down

    04:34
  • President Biden is in ‘an untenable situation’: Page

    08:11
  • ‘The dam is breaking’ on Biden's Democrat defections: Sherman

    06:10
  • Biden economist on jobs success: ‘You can’t play trickle-down games!’

    06:20
  • Press conference showed Biden ‘not able to prosecute the case’ against Trump: Julián Castro

    08:21
  • Biden is in ‘purgatory’ after showing some command but stumbling at press conference

    04:01
  • Ron Klain: It's a mistake to underestimate Joe Biden

    09:03
  • Trump won't 'do anything': Biden torches Trump on guns and defends his record

    05:10

'The Dangerous Case of Donald Trump': 27 psychiatrists assess

10:22

In a new book, 27 psychiatrists and mental health experts asses President Donald Trump's behavior. Do his impulses explain his decisions? The book's editor Dr. Bandy Lee and Tony Schwartz, co-author of Trump's "The Art of the Deal," join Lawrence O'Donnell.