NPR News: Expanding Medicaid is popular. That's why it's a key issue in some statewide midterms

Expanding Medicaid is popular. That's why it's a key issue in some statewide midterms
Next month, South Dakotans will decide whether to expand Medicaid to 42,500 state residents. Democratic candidates elsewhere are making it a part of their pitch to flip GOP-held governors' offices.

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