Is Earth at the mercy of asteroids or can we defend ourselves from a cosmic collision?
Rock icon Robbie Robertson explains why he's so transparent at this point in his life.
A Conversation With Michael Stipe; A Conversation With Lou Reed; A Conversation With Robbie Robertson
A Conversation With Barbara Kopple; A Conversation With Robbie Robertson; A Conversation With Steve Allen
Chevy Chase - January 18, 1992: Original SNL alumnus Chevy Chase returns to host this 1992 episode. Selected sketches include 'Wayne's World' and 'Comforting Tim'.
Carl Weathers - January 30, 1988: Film veteran Carl Weathers hosts this episode, which includes selected sketches such as 'BushWhacked!,' 'NFL Today,' 'Democratic Debate 88,' and 'Master Thespian.'
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