COLUMBIA, SC - APRIL 25: Potential Democratic presidential candidate former Sen. Lincoln Chafee (D-RI) answers questions from reporters after speaking at the South Carolina Democratic Party state convention April 25, 2015 in Columbia, South Carolina. Chafee joined former Maryland Gov. Martin O'Malley and Sen. Bernie Sanders (I-VT) in speaking to the convention. (Photo by Win McNamee/Getty Images)
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