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    Milwaukee Democratic debate: Can Sanders keep momentum?

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Milwaukee Democratic debate: Can Sanders keep momentum?

While Sen. Bernie Sanders tries capitalize on his New Hampshire primary win, Hillary Clinton picked up a key endorsement. CNN's Brianna Keilar reports.

Milwaukee Democratic debate: Can Sanders keep momentum?

While Sen. Bernie Sanders tries capitalize on his New Hampshire primary win, Hillary Clinton picked up a key endorsement. CNN's Brianna Keilar reports.