Millions of L.A. County residents and businesses can resume outdoor watering, after news that urgent repairs to a pipeline that brings water from the Colorado River to Southern California have wrapped up early. Reporter: Darrell Satzman, KCRW    Open agricultural burning is a useful tool for farmers, but its high particulate emissions are harmful to San Joaquin Valley residents. Air regulators plan to phase out the practice by 2025, but air quality advocates have doubts after years of inaction.  Reporters: Kerry Klein and Monica Vaughan, KVPR Governor Gavin Newsom has signed a package of bills aimed at reforming the state’s cannabis regulations. This comes as the governor is directing state officials to study the health impacts of high-potency cannabis. Reporter: April Dembosky, KQED  Experts at UC San Diego studying extortion in Tijuana are saying that crime is much more rampant than previously believed. Researcher Romain Le Cour spent a year walking the streets of Tijuana, talking to business owners about what he calls, an ‘invisible crime.' Reporter: Gustavo Solis, KPBS In an interview with "60 Minutes," President Joe Biden declared that the pandemic was over. Many health experts say that's just not the case, but do agree that we may be moving to a new phase of the pandemic. Guest: Dr. Bob Wachter, Chair of Medicine, UC San Francisco   Learn more about your ad choices. Visit megaphone.fm/adchoices