POLITICS
03/26/2009 05:12 am ET Updated May 25, 2011

Fellow Dem Pollster Slams Mark Penn: Surveys "Biased," "Rigged"

Of the many stories in Democratic pollster Stan Greenberg's new book, Dispatches from the War Room, the most newsworthy may be his slashing condemnation of Mark Penn, the pollster that displaced him within the inner circles of both President Bill Clinton and British Prime Minister Tony Blair.

Greenberg, reacting to what he saw of Penn's polling when both worked on Blair's 2005 re-election, describes Penn's methods as "errant," his tests of messages as "biased" and "rigged" and his documentation lacking "transparency" and "the information normally delivered by a professional research organization."

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