What to know about the CBS California Governor's Debate The debate is being broadcast live across CBS-owned stations in Los Angeles, San Francisco, San Diego, Sacramento, Fresno, Bakersfield, Palm Springs and Santa Barbara, and on CBS News 24/7. Tuesday's debate at Pomona College showcases the largest confirmed number of participants to date , including Democrats Xavier Becerra, Matt Mahan, Katie Porter, Tom Steyer, Tony Thurmond and Antonio Villaraigosa, and Republicans Chad Bianco and Steve