Huge Harris rally shapes new chapter of 2024 race

MSNBC's Ari Melber hosts "The Beat" on Wednesday, July 31, and reports on Vice President Harris' campaign strategy and her record as a prosecutor. Plus, Melber is joined by President of the Young Georgia Democrats Parker Short, whose dance moves went viral at Kamala Harris’ Atlanta rally last night. Rep. Terri Sewell, Michael Moore, Jill Habig, and Parker Short join.