Last year, Placentia-Yorba Linda Unified’s two most conservative board members eventually supported adopting an ethnic studies class. But around the same time, the school board banned the teaching of critical race theory. This tug-of-war over values is coming to a head this election, as the long-time incumbents face political newbies who are promising to keep race and gender identity issues out of schools. Reporter: Jill Replogle, KPCC A new poll from UC Berkeley finds that Californians of all political stripes are worried that American democracy is in crisis and is at risk of failing. And they're overwhelmingly pessimistic about the chances that people with different political views can work out their differences together.  Reporter: Marisa Lagos, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices