Public school students are on break this week, and with the omicron variant rapidly on the rise, many California districts sent students home with school-issued rapid COVID-19 testing kits. The state’s department of public health is providing the kits to districts. Reporter: Julia McEvoy, KQED California Governor Gavin Newsom thinks he’s found a way to crack down on illegal guns in a way that will avoid being struck down by the federal courts. As his model, he’s using a Texas law empowering ordinary people to sue anyone who helps a woman get an abortion. Reporter: Scott Shafer, KQED Walmart operates more than 300 stores across California. And according to a lawsuit from the attorney general’s office and a dozen DAs, the retail giant has been knowingly dumping hazardous waste at local landfills, despite being sued before over the very same issue. Reporter: Rachael Myrow, KQED The removal of invasive species from the Lake Tahoe basin is underway. It’s the largest effort to date. Reporter: Ed Fletcher, CapRadio