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Democratic presidential candidate Bernie Sanders delivers a major policy address on Wall Street reform in New York on January 5, 2016.
Democratic presidential candidate Bernie Sanders delivers a major policy address on Wall Street reform in New York on January 5, 2016.

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    Is Hillary Clinton's campaign in trouble?

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Is Hillary Clinton's campaign in trouble?

Recent polls show Bernie Sanders leading Hillary Clinton in both New Hampshire and in Iowa. CNN's Brianna Keilar reports.

Is Hillary Clinton's campaign in trouble?

Recent polls show Bernie Sanders leading Hillary Clinton in both New Hampshire and in Iowa. CNN's Brianna Keilar reports.