On the year-end edition of This Week in Iowa Sabrina Ahmed is recapping the biggest political stories of 2021 and then looking ahead to the issues shaping the 2022 elections.

She talks to ABC News Political Director Rick Klein about Sen. Chuck Grassley's reelection chances and where the incumbent's biggest competition could come from.

Then, Sen. Joni Ernst talks about the biggest issues she sees in the federal government and why she thinks the Senate could flip in Republicans' favor in the next election cycle.

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