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    Trump, Clinton fight to win over Iowa voters

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Trump, Clinton fight to win over Iowa voters

Volunteers from the Donald Trump and Hillary Clinton campaigns are on the ground in Iowa to make sure their candidate's message is heard in the final week of the presidential campaign. CNN's Dana Bash reports.

Trump, Clinton fight to win over Iowa voters

Volunteers from the Donald Trump and Hillary Clinton campaigns are on the ground in Iowa to make sure their candidate's message is heard in the final week of the presidential campaign. CNN's Dana Bash reports.