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Hillary Clinton and Bernie Sanders are pictured at the CNN Democratic town hall in Des Moines, Iowa, on January 25, 2016, in this composite image.
Hillary Clinton and Bernie Sanders are pictured at the CNN Democratic town hall in Des Moines, Iowa, on January 25, 2016, in this composite image.

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    Clinton, Sanders deadlocked with three days to go in Iowa

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Clinton, Sanders deadlocked with three days to go in Iowa

CNN's Jeff Zeleny reports.

Clinton, Sanders deadlocked with three days to go in Iowa

CNN's Jeff Zeleny reports.