Republican presidential candidates descended on the Iowa State Fair this weekend for stump speeches and fair food. Former Vice President Donald Trump flew over in his private plane while rival Florida Gov. Ron DeSantis was flipping pork chops, and Vivek Ramaswamy rapped a few bars of Eminem. CNN Political Director David Chalian breaks down the highlights from the Iowa State Fair.To learn more about how CNN protects listener privacy, visit cnn.com/privacy