The California State University system has some of the lowest tuition rates in the country. But a huge budget gap could force new tuition hikes.  Reporter: Mikhail Zinshteyn, CalMatters Stanford University is conducting the first clinical trial in the world, looking at whether Paxlovid could be a possible treatment for Long COVID patients.   Reporter: Keith Mizuguchi, The California Report Kennedy High School is in Richmond, a town northeast of San Francisco. One retired teacher has shown extraordinary commitment to the school, where he’s dedicated his time and energy for more than 50 years.  Reporter: Richard Gonzales, The California Report Magazine Learn more about your ad choices. Visit megaphone.fm/adchoices