Watch the full episode of Tuesday night’s The Rachel Maddow Show. Guests: Jamie Raskin, David Kessler The January 6 investigation is seeking information from Fox News host Sean Hannity. Interview with Congressman Jamie Raskin, Democrat of Maryland and author of the new book "Unthinkable: Trauma, Truth and the Trials of American Democracy". Interview with Dr. David Kessler, the chief science adviser to the Biden administration's COVID response.