Tuesday is the last day to vote in person, or drop off or postmark your mail ballot. Plus, the San Diego city Council has put plans in motion to preserve the city’s affordable housing. And in our ongoing series on the region's COVID-19 data, KPBS looks at how hospitals are maintaining staffing during the pandemic. Then, the Center for Ethics in Science and Technology will host an event about the new media ecosystem we are living in and technology designed to assess bias in media news stories. Finally, a marine scientist photographed evidence of what may be 500,000 barrels of DDT waste dumped near Catalina.