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In our cover story, Tracy Smith scares up a report on nightmares and how to face our fears. Also: Norah O'Donnell interviews longtime Hillary Clinton aide Huma Abedin; Seth Doane reports on the return of the Swedish pop group ABBA; Lee Cowan meets a photographer who captures kids' inner superheroes; David Pogue witnesses true card magic with illusionist Shin Lim; Luke Burbank sits down with actor Kal Penn; and Martha Teichner tags along with a photographer who takes haunting portraits of abandoned houses - time capsules of the departed.

Episode 6

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Episode 16

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In our cover story, John Dickerson looks at the first year of the Biden Presidency. Plus: Jane Pauley interviews legendary entertainer Liza Minnelli; Luke Burbank talks with Kirsten Dunst, star of "The Power of the Dog"; Jim Axelrod catches up with "Leave It to Beaver" star Tony Dow; Rita Braver visits an exhibition of works by French conceptual artist Marcel Duchamp; Conor Knighton finds out the shocking truth about eels; and David Pogue meets a collector of antique light bulbs.

Episode 17

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Episode 18

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Episode 19

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Episode 20

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Episode 21

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Episode 22

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Episode 23

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Episode 24

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Episode 25

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Episode 27

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Episode 31

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Episode 33

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Episode 34

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Episode 37

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Episode 38

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Episode 39

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Episode 40

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Episode 41

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Episode 42

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Episode 43

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Episode 44

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Episode 45

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Episode 46

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Episode 47

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Episode 48

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Episode 49

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Episode 50

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Episode 51

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