Democratic presidential hopeful Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE said on Sunday that he takes issue with the idea of superdelegates.

"The whole concept of superdelegates is problematic," he said on CBS's "Face The Nation."

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The Vermont senator said he thinks it would be a good idea for superdelegates to come over to his side in states where he has won by a significant margin.

"I think it might be a good idea for superdelegates to listen to the people in their own state," he said.

"I just talked to a person the other day who said, 'You know what? I am going to listen to my state, and if my state votes for you, Bernie, you're going to have my vote.'"

Sanders said that's something he hopes a lot of superdelegates take into consideration, adding that it's "common sense" to listen to the voters.

The superdelegates have the right to make their own decisions, he said, adding that the primary objective is making sure a Republican does not win the White House.

"[If] it appears that I am the stronger candidate against Trump, I think you're doing to see some superdelegates saying, 'You know what, I like Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE, but I want to win this thing. Bernie is our guy.'"