Sen. Chuck Grassley (R-Iowa) is maintaining a significant lead over his Democratic opponent just over a month out from the November midterm elections.
An Emerson College poll released Friday shows that Grassley is leading retired Navy Adm. Michael Franken among likely Iowa voters by 11 points, at 49 percent to 38 percent. Nine percent of those polled said they were undecided, and 4 percent said they plan to vote for someone else.
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