Hillary had the primary locked up before Warren endorsed her.1Catherine GenerousKevin SarpeiFollowJul 22, 2017 · 1 min readWouldn’t be the first time that superdelegates change their opinion.Actually, Jill Stein was a choice:Screw Trump and Hillary — Voting for Jill Stein Makes SenseYou want to vote for Hillary Clinton because Donald Trump is an insane bigot?medium.com