A screenshot of Sen. Chuck Grassley's original tweet, and the deformed cherry-dipped cone I ultimately received.Screenshot/Twitter and Bryan Metzger/Insider Sen. Chuck Grassley says that this Iowa Dairy Queen is a "good place for u kno what." After coming across it during my reporting trip to Des Moines, I figured I had to give it a try. But the "u know what" — ice cream, as Grassley later clarified — left much to be desired. WINDSOR HEIGHTS, Iowa — In 2014, Republican Sen.