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RENO, NV - FEBRUARY 15: Democratic Presidential candidate and former Secretary of State Hillary Clinton speaks on a panel about women's health at the University of Nevada, Reno on February 15, 2016 in Reno, Nevada. Clinton is campaigning in Nevada ahead of the February 20 democratic caucus. (Photo by David Calvert/Getty Images)
RENO, NV - FEBRUARY 15: Democratic Presidential candidate and former Secretary of State Hillary Clinton speaks on a panel about women's health at the University of Nevada, Reno on February 15, 2016 in Reno, Nevada. Clinton is campaigning in Nevada ahead of the February 20 democratic caucus. (Photo by David Calvert/Getty Images)

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    Black vote pushes Clinton to huge South Carolina lead

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Black vote pushes Clinton to huge South Carolina lead

A new CNN/ORC poll shows Hillary Clinton holds a huge lead over Sen. Bernie Sanders among Democratic voters in South Carolina. CNN's Dana Bash reports.

Black vote pushes Clinton to huge South Carolina lead

A new CNN/ORC poll shows Hillary Clinton holds a huge lead over Sen. Bernie Sanders among Democratic voters in South Carolina. CNN's Dana Bash reports.