Synopsis: Master documentary filmmaker Ken Burns turns his lens to a decidedly nonvisual medium -- radio -- and pulls it off with aplomb using newsreels, interviews and historical footage. Jason Robards narrates this journey to pre-television days where viewers meet the titans of the airwaves: David Sarnoff, Lee de Forest and Edwin Howard Armstrong. See how radio served as the medium that informed and entertained Americans during much of the 20th century.
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