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¾«¶«Ó°Òµ provides the most comprehensive coverage of U.S. voters' preferences in the 2008 presidential election. Conducting 1,000 interviews per night, each day ¾«¶«Ó°Òµ reports current attitudes and candidate preferences based on a rolling average of roughly 2,700 registered voters, and each week ¾«¶«Ó°Òµ posts highly reliable demographic or political subgroup voting patterns based on aggregates of interviews with over 6,000 registered voters. ¾«¶«Ó°Òµ routinely reports even more in-depth analyses, taking into account extremely large, yet timely, national samples of registered voters and detailed demographic and political subgroups. ¾«¶«Ó°Òµ combines this unprecedented breadth and depth of current data with historical trends dating back to 1936 for the most complete coverage available on the attitudes of the American electorate.