Which celebrity endorsement in a presidential campaign reportedly led to the largest measurable increase in young voter engagement in the 2008 U.S. election?

Throughout political history, campaign endorsements from celebrities and public figures have played a significant role in shaping voter perception and brand recognition for candidates. These strategic partnerships can influence different demographic groups and potentially sway electoral outcomes. Test your knowledge about the impact of famous endorsements in the political landscape!

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Oprah Winfrey's endorsement of Barack Obama
Bruce Springsteen's endorsement of John Kerry
George Clooney's endorsement of Barack Obama
Taylor Swift's endorsement of Hillary Clinton