Scott Walker Tumbles to 3 Percent in Iowa in Latest Quinnipiac Poll

In July, the Wisconsin governor was atop the same poll with 18 percent support.

Republican presidential hopeful Wisconsin Governor Scott Walker greets guests gathered for a campaign event at Modern Woodman Park on July 17, 2015 in Davenport, Iowa

Photo by Scott Olson/Getty Images

Scott Walker, the one-time Republican front-runner in Iowa, has taken a precipitous fall in a new poll of those likely to vote in the first presidential nomination contest on Feb. 1.

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