If you only listen to the major news outlets, then you'd only be aware of two people running for California Senate - Sen. Dianne Feinstein and State Senate leader Kevin de León.
It turns out there is someone else running.

For all of you fellow Californian's, take a gander at this Jimmy Dore interview of Alison Hartson:

https://www.youtube.com/watch?v=xwPLfMWZ1TQ