PoliticsEnten reacts to polls showing a 4-point GOP gain

CNN chief data analyst Harry Enten discusses polling analysts’ debate over the gap between registered and likely voters. Republicans gain an average of just 1 point in national generic House polls when the measure shifts to likely voters, while polls in key Senate races show an average 4-point gain. CNN’s Manu Raju also interviews House Speaker Mike Johnson on the campaign trail in Iowa, where Johnson pushes back.