As Jon Stewart winds down his 19-year stint as host of Comedy Central's The Daily Show, he and Stephen Colbert sit at the peak of American punditry despite their left-leaning view of life, the universe and everything.
The Great Debate
By Jeffrey D. Sachs
The opinions expressed are his own.
The past half-century has been the age of electronic mass media. Television has reshaped society in every corner of the world. Now an explosion of new media devices is joining the TV set: DVDs, computers, game boxes, smart phones, and more. A growing body of evidence suggests that this media proliferation has countless ill effects.