Matt Berninger of The National will open for a President Obama rally Saturday in Des Moines, Iowa. Here, Berninger performs in Brisbane, Australia, in 2011.
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Sen. Joe Lieberman appears at the Republican National Convention in St. Paul, Minn., in 2008, just eight years after he was the Democratic vice presidential nominee. His appearance is just one of several notable oddities at recent political conventions.
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Delegates filled the floor Tuesday during the Republican National Convention at the Tampa Bay Times Forum in Tampa, Fla.
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