• CNN/USA/Gallup-Tracking Poll

• Fabrizio McLaughlin

• LA Times Polls

• Mason - Dixon

• Pew Research Center

• PollingReport.com — Nonpartisan resource on public opinion. The latest polls -- from leading research organizations -- on elections, policy, and social and cultural issues

• Public Agenda Online

• Roper

• The Gallup Organization

• The Harris Poll

• The Polling Report

• The Tarrance Group

• Zogby International

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