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Pablo Martinez Monsivais, Associated Press
Republican presidential candidate Rep. Ron Paul, R-Texas, stops to pose for photos during a campaign rally in Columbia, S.C., Friday, Jan., 20, 2012.

COLUMBIA, S.C. — Republican presidential candidate Ron Paul told supporters Saturday that the momentum of his campaign will continue.

Paul told a cheering crowd that his campaign started as a way to grow support for his libertarian ideas. But now he said his campaign is focused on winning delegates to secure the GOP nomination for the White House.

Exit polls showed the Texas congressman placing fourth in the state's Republican primary Saturday evening.