Into the Future: On the Preservation of Knowledge in the Electronic Age

Narrator

1997

Bah, Humbug!: The Story of Charles Dickens' 'A Christmas Carol'

Host

1994

Beyond JFK: The Question of Conspiracy

Self - MacNeil/Lehrer Newshour, PBS

1993

Sesame Street: Put Down the Duckie

Self

1988

An Empire of Reason

Self

1988

The Lions of Capitalism: Some Call It Greed

Narrator

1977

The Violent Universe

Host

1969