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Left: Republican state Sen. Joni Erns; right, U.S. Rep. Bruce Braley (D-IA)
Left: Republican state Sen. Joni Erns; right, U.S. Rep. Bruce Braley (D-IA)

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    Poll: Iowa Senate race tied in final day

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Poll: Iowa Senate race tied in final day

CNN's Pamela Brown reports.

Poll: Iowa Senate race tied in final day

CNN's Pamela Brown reports.