Iowa voters head to the polls to decide the candidates for a soon-to-be open U.S. Senate seat, Iowa, Des Moines Beloud

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Iowa voters head to the polls to decide the candidates for a soon-to-be open U.S. Senate seat

Iowa voters head to the polls to decide the candidates for a soon-to-be open U.S. Senate seat

Voters in Iowa are heading to the polls today to participate in primary elections, a critical step in determining the candidates for an upcoming open U.S. Senate seat. CNN’s Audie Cornish ex...

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