Sweet: Picture gallery. South Carolina Primary. Clinton, Obama, Edwards at rally celebrating life of Dr. Martin Luther King Jr.

COLUMBIA, S.C.–The South Carolina Democratic primary is Saturday. John Edwards, Barack Obama and Hillary Rodham Clinton spoke at a NAACP rally at the steps of the South Carolina statehouse on a frigid Monday, hours before a debate in Myrtle Beach. (photos by Lynn Sweet)

Obama and Edwards at the rally on the steps of the statehouse.

Clinton at the rally on the steps of the statehouse

Obama senior adviser Valerie Jarrett (center, with purse) at the rally. (photos by Lynn Sweet)

The crowd at the NAACP rally was Obama friendly.

Obama and Jarrett at march from Zion Baptist Church to statehouse rally.

Obama at march from Zion Baptist Church to statehouse rally.

When Edwards came to the podium, he introduced himself as a South Carolina native.

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The Confederate flag is still flown from the South Carolina statehouse grounds.

Demonstrators across the street from the NAACP rally

(photos by Lynn Sweet)