Gov. Gavin Newsom said he has a secret “break the glass” plan to prevent California from electing a Republican governor — though he’s stubbornly refused to make an endorsement in the race to succeed him. The governor revealed the secret contingency plan to prevent two Republicans from advancing in the governor electio n — as polls show Trump-endorsed Steve Hilton near the top of the field in the packed race. Newsom alluded to “action efforts” behind the scenes to make sure Democrats aren’t