Political reporter Dan Balz on the ebb and flow of the two political parties and how much power they actually have. And Jada Yuan on whether celebrity endorsements make a difference for presidential candidates.Read more:The Democrats seem split between an “establishment” candidate and a candidate who isn’t a Democrat at all. Dan Balz on what’s up with the Democratic Party and how much power the establishment actually has.Do celebrity endorsements make a difference for presidential candidates? The short answer is no. Well, except for that one time.Subscribe to The Washington Post: https://postreports.com/offer