What Do All Those Endorsements Mean?
Barack Obama has Oprah Winfrey and Larry David on his side while Hillary Clinton is backed by Jack Nicholson and Barbara Streisand.
Presidential candidates don't only campaign hard for our votes but for the endorsements of influentials -- the people who can theoretically sway the preferences of a large number of voters.
On the surface, endorsements don't seem to have much influence on the outcome of races. Remember Al Gore's support for Howard Dean in 2004?
But political science researchers at UCLA claim that they have found a connection between public endorsements and the success of presidential campaigns:
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