Laura Belin and Spencer Dirks explore many aspects of the latest red wave in Iowa, starting with Donald Trump's biggest win yet and the warning signs for Democrats. Also covered: what went wrong with Selzer's final Iowa Poll for the Des Moines Register, how Reps. Mariannette Miller-Meeks and Zach Nunn survived strong challenges in the first and third Congressional districts, future prospects for Rep. Ashley Hinson and Senator Joni Ernst, and notable results from the state legislative races—including which candidates outperformed their own party's presidential candidate.