The Los Angeles Unified School District board has unanimously approved a vaccine requirement for all eligible students 12 and older if they want to attend classes in-person.  Latinos make up about a third of registered voters in California. And the campaigns for and against the recall are running TV and radio ads in Spanish hoping to win them over.  Reporter: Scott Shafer, KQED  With California’s recall election wrapping up next Tuesday, a new poll has good news for Governor Gavin Newsom. The poll from the Berkeley Institute of Governmental Studies finds 60% of likely voters oppose the recall effort. Reporter: Katie Orr, KQED Governor Newsom and Republican frontrunner Larry Elder were both in Fresno on Thursday making their respective recall campaign pitches to voters.  Reporter: Alex Hall, The California Report Managing California’s water supply requires an enormous amount of energy. Now, new research suggests making the state’s water system more efficient is also a climate solution.  Reporter: Ezra David Romero, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices