The recent cybersecurity breach; comic Chris Rock; what's in store for lawmakers in 2021; musician Barry Gibbs; author Dr. Sanjay Gupta; a look back at 2020 and a look forward to 2021; the life and legacy of late Viacom/CBS chairman Summer Redstone.

The history, the traditions, and the design of the U.S. Capitol; New York Times columnist Charles Blow shares his thoughts on protests and justice; Scholastic CEO Dick Robinson; the origins of the term "lame duck"; filmmaker Joshua Seftel ("How to Fix a Primary")

The legacy of President Donald Trump; Vice President-elect Kamala Harris and her husband, Douglas Emhoff; the impeachment proceedings; the legality and implications of tech companies blocking President Donald Trump from the social media platforms.

Hosted by Jane Pauley: In our cover story, David Pogue examines how extreme weather events are creating "climate refugees." Plus: Ted Koppel talks with Dr. Anthony Fauci about government efforts against the coronavirus; Kelefa Sanneh looks at businesses deciding whether to allow employees to continue working from home; Seth Doane meets Italian artisans who are keeping alive their country's fashion industry hard-hit by the pandemic; Mark Whitaker interviews Pennsylvania Lt. Gov. John Fetterman; and Lee Cowan looks back at the career of broadcaster Larry King.

Guest host: Mo Rocca. In our cover story, Susan Spencer meets a pioneer in the study of stroke recovery. Plus: David Pogue explains the GameStop stock battle pitting Wall Street hedge funds against day traders; Rocca talks with Mark Harris, author of a new biography of director Mike Nichols; Holly Williams profiles actor and Negroni-mixer Stanley Tucci; Tracy Smith talks with Andra Day and Lee Daniels, star and director of a new film about legendary jazz singer Billie Holiday; and Martha Teichner tells the story behind her new book, "When Harry Met Minnie," a true tale of puppy love and friendship.

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