This article lays out details of Washington's new Democratic Party Primary System. Previously the state has used the caucus system to select delegates, and the primary was a "beauty contest". Under those rules in 2016 Bernie won 75% of the delegates at the caucus, but Hillary won 51% of the vote in primary (but didn't get any delegates because of it). Other important background to what is happening here is the the Democrats have had pretty much total control of the state for 20 years now, and as Democrats are wont to do, have slowly changed the rules to favor...