Who are these “superdelegates”? The Establishment elites from each political party

Members of Congress, governors, mayors, and other elites make up the 700 “superdelegates”, and they’re going to pick the nominees, not the voters.  But voters do get pissed when they find out a superdelegate is going to pick the candidate not chosen by the voters, as Washington state representative, and superdelegate, Rick Larsen, found out when he announced he would support Hillary rather than Bernie Sanders, the candidate who won the Washington primary by 72%.  Angry voters flooded his Facebook account, and derided him for going against their choice.  Truthdig