The South Carolina primary, the last significant test for Democratic presidential hopefuls prior to Super Tuesday, occurs Saturday.

Sen. Bernie Sanders(I-Vt.) is the front-runner, but surveys showed former Vice President Joe Biden leading in the Palmetto State ahead of the main. Former South Bend, Indiana, Mayor Pete Buttigieg, Sens. Amy Klobuchar (Minn.) and Elizabeth Warren(Mass.), and billionaire activist Tom Steyer are hoping to make headway in the race. Previous New York City Mayor Mike Bloomberg is not on the tally.

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