Rep. Stacey Plaskett and Olivia Troye on finding the guardrails in a new Trump era; Kathleen Sebelius on Donald Trump's move to put vaccine skeptics in charge of public health; Mary Anne Franks on the myth of the First Amendment as a great equalizer, Gov. Jay Inslee on states taking over the climate crisis ahead of a new Trump term; and Doris Kearns Goodwin on how America has found light after its darkest days in the past.