Primary Election shenanigans are expected in California. This morning the Bernie Campaign sent the following email to California Bernie supporters:
________________________________________________________
From: Bernie 2020
Subject: Can you make a plan to vote early for Bernie? We’re giving him a list very soon. Make sure your name is on it.

I can't find the reference right now but Sanders just flipped a heavily Hispanic congressional district in LA. I have been following the whole thing on twitter... Also a Congressional District in Oakland and San Francisco.

https://twitter.com/search?q=%23californiaprimary