America's Most Powerful Pundit? Roger Ebert

03/28/2008 02:45 am ET | Updated May 25, 2011

What exactly is a pundit? According to the dictionary, it's "a person who makes comments or judgments, especially in an authoritative manner; critic or commentator."

There's certainly no shortage of that in the media these days.

Call the past decade the era of the talking head. Cable news networks trying to one-up each other in the ratings roll out programs hosted by people with pointed positions, most of them going one-on-one with guests who also bring strong views and--sometimes--expertise to the table.

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