Name: Battle for Iowa caucus intensifying just 22 days away
Uploaded: 2018-09-01T09:00:00.000+0000
Description: A major shift in the polls indicates Sen. Bernie Sanders has the momentum with a four-way race with Elizabeth Warren, Pete Buttigieg and Joe Biden.

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Battle for Iowa caucus intensifying just 22 days away

A major shift in the polls indicates Sen. Bernie Sanders has the momentum with a four-way race with Elizabeth Warren, Pete Buttigieg and Joe Biden.

01.13.20 | 02:41 | CC

World News Tonight with David MuirVideosBattle for Iowa caucus intensifying just 22 days away