Obama sweeps Iowa caucus

PUBLISHED ON: January 4, 2008 | Duration: 0 min, 47 sec

  
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Illinois senator Barack Obama swept the Iowa caucus to pick US presidential candidates, beating John Edwards and Hillary Clinton by an eight-point lead. ''We are choosing hope over fear. We are choosing unity over division and sending a powerful message. That change is coming to America,'' said Barack Obama, Democratic presidential hopeful.
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