Dewey Defeats Truman: CNN Excludes Democrats and Independents From Iowa Caucus Poll

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"But no one outside of CNN believes this. As Silver noted, Public Policy Polling put the Democratic and independent share of the caucus electorate at 24%. The Washington Post put it at 18%. Public Policy Polling showed Paul beating Romney 39-12 among Democrats and independents. Of course, the key reason that these Democrats and independents are backing Paul is Paul's opposition to the wars. So, by excluding them from its sample, CNN is silencing antiwar voices -- nothing new there."