Democratic presidential candidate Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE said Sunday he's not skipping over the South Carolina primary, adding that he has a good chance of winning a number of the states on Super Tuesday.

Sanders was responding to a question about a speech he made Saturday night, when he said he had an excellent chance on Super Tuesday.

"I'm talking to you from Columbia, South Carolina. We have a major rally this evening. We're not skipping over anything," he said on CBS's "Face the Nation."

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Sanders, who is trailing rival Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE in South Carolina by more than 20 points, said his campaign has a "whole lot of momentum."

"You know, we lost yesterday in Nevada by five points. A month ago, we were 25 points behind," he said.

National polls are also continuing to tighten, he said, with Sanders edging out Clinton in some polls.

"So I think people around this country are responding to our message of a rigged economy, a corrupt campaign finance system and a broken criminal justice system. I'm feeling quite good," he said.