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MANCHESTER, NH - SEPTEMBER 19:  Democratic Presidential candidate Senator Bernie Sanders (I-VT) talks on stage during the New Hampshire Democratic Party State Convention on September 19, 2015 in Manchester, New Hampshire. Five Democratic presidential candidates are all expected to address the crowd inside the Verizon Wireless Arena.  (Photo by Scott Eisen/Getty Images)

DAVIE, FL - OCTOBER 02:  Democratic presidential candidate Hillary Clinton laughs as she is introduced during her campaign stop at the Broward College à Hugh Adams Central Campus on October 2, 2015 in Davie, Florida.  Hillary Clinton continues to campaign for the nomination of the Democratic Party as their presidential candidate.  (Photo by Joe Raedle/Getty Images)
MANCHESTER, NH - SEPTEMBER 19:  Democratic Presidential candidate Senator Bernie Sanders (I-VT) talks on stage during the New Hampshire Democratic Party State Convention on September 19, 2015 in Manchester, New Hampshire. Five Democratic presidential candidates are all expected to address the crowd inside the Verizon Wireless Arena.  (Photo by Scott Eisen/Getty Images)

DAVIE, FL - OCTOBER 02:  Democratic presidential candidate Hillary Clinton laughs as she is introduced during her campaign stop at the Broward College à Hugh Adams Central Campus on October 2, 2015 in Davie, Florida.  Hillary Clinton continues to campaign for the nomination of the Democratic Party as their presidential candidate.  (Photo by Joe Raedle/Getty Images)

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    Poll: Clinton builds lead over Sanders in Iowa

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Poll: Clinton builds lead over Sanders in Iowa

Hillary Clinton is building a lead over Bernie Sanders in Iowa with help from her debate performance, according to the results from a new Quinnipiac University poll.

Poll: Clinton builds lead over Sanders in Iowa

Hillary Clinton is building a lead over Bernie Sanders in Iowa with help from her debate performance, according to the results from a new Quinnipiac University poll.