Democratic Presidential Candidate Bernie Sanders Holds Iowa Caucus Night Gathering [Getty Images]

DES MOINES, IA - FEBRUARY 1 : People cheer as Democratic presidential candidate Bernie Sanders speaks during his Caucus night event at the at the Holiday Inn February 1, 2016 in Des Moines, Iowa. Sanders who is seeking the nomination for the Democratic Party heads to New Hampshire to continue campaigning before next week's primary. (Photo by Joshua Lott/Getty Images)

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