FIRST IN PLAYBOOK — Progressive booster Courage California (formerly Courage Campaign) is laying down markers in a handful of Democrat-on-Democrat races, endorsing Fresno City Councilwoman Esmeralda Soria (challenging Rep. Jim Costa), Marisol Rubio (seeking to unseat state Sen. Steve Glazer), Assembly hopeful Tracie Stafford (running against moderate Democratic Assemblyman Jim Cooper) and state Sen. Holly Mitchell (vying for an LA County Supervisor seat).