Numbers, Facts and Trends Shaping Your World
This analysis summarizes differences in presidential horserace estimates based on likely and registered voters in 2008 and previous election cycles and describes the Pew Research Center's 2008 likely voter scale.
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About Pew Research Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.
