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Democratic presidential candidate and U.S. Sen. Bernie Sanders greets supporters during a visit to his Iowa campaign headquarters in Des Moines, Iowa, on June 13.
Democratic presidential candidate and U.S. Sen. Bernie Sanders greets supporters during a visit to his Iowa campaign headquarters in Des Moines, Iowa, on June 13.

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    Sanders pressured to explain his health care plan

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Sanders pressured to explain his health care plan

Campaign manager for Bernie Sanders now says his candidate may not explain how he'd pay for his health care plan before Iowa. CNN's Jeff Zeleny reports.

Sanders pressured to explain his health care plan

Campaign manager for Bernie Sanders now says his candidate may not explain how he'd pay for his health care plan before Iowa. CNN's Jeff Zeleny reports.