CNNUpdated 5:00 PM ET
Sun February 2
Dan Merica
Gregory Krieg
Eric Bradner
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Democratic
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Iowa
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The leading Democratic presidential contenders have sharpened their cases in the final hours of the Iowa caucuses, hoping that clearer divisions will help undecided caucusgoers tilt their way.
As said here by Dan Merica, Gregory Krieg and Eric Bradner, CNN