San Diego County Registrar of Voters Michael Vu joins Midday Edition with last minute advice for voters who want to cast a ballot in today’s March primary election. Also, a local lab's potential coronavirus vaccine could prove useful beyond the current outbreak, California is asking the federal government to do more to combat cross-border sewage spills., one of the co-founders of PETA has written a new book that explores the latest animal discoveries. Plus, Reading's Grossmont Cinema will be screening films by Martin Scorsese every Wednesday night in March.

As Super Tuesday nears, here’s a look at the key San Diego issues and races on the March primary election ballot. In the 50th Congressional District, for the first time in four decades, someone named Duncan Hunter is not on the ballot. The race became a slugfest for Republicans hoping to keep the district red after Duncan D. Hunter resigned in January. For the Democrats, Congresswoman Susan Davis’ retirement brings uncertainty to the 53rd District. In the San Diego mayor’s race, San Diegans could potentially choose between two Democrats in the general election. That's because the top two vote-getters in the March primary will advance to the November election, and three of the five candidates are Democrats. Plus, Convention Center expansion supporters are, once again, pushing for an increase in the hotel tax to pay for the project, homeless services and road repairs. In the county supervisor races, one contest may cause a historic shift on the board and turn it blue. Also, the Chula Vista Elementary School District is proposing to raise property taxes to modernize classrooms and build a 100-unit affordable housing complex for teachers and staff. Finally, Proposition 13, the only state-wide measure on the ballot, asks voters to approve $15 billion in state bonds to renovate schools and universities.

San Diego is launching four temporary voting sites ahead of Super Tuesday. This year, unregistered voters can sign up to vote on election day, adding another layer of complications. Plus, with several major redevelopments slated in the Midway District, some are calling for an end to the height limit in the neighborhood. And, a preview of this weekend’s top arts events around San Diego.

The Centers for Disease Control is investigating what could be the first instance of “community spread” of the novel coronavirus after a patient being treated at Sacramento-area hospital tested positive for the virus. Plus, remembering poway teenager Chelsea King 10 years after her murder. Also, the Navy is in the process of putting together what could be one of San Diego's most consequential redevelopment projects in decades, as it seeks a new facility for its cybersecurity operations in the Midway District. And, an employee in charge of helping low-income residents get housing subsidies is being accused of posting racist memes on social media. The county ethics board is investigating. In addition, coal-fired power plants are closing across the country. The question now, what to do with the newly freed up water supply. Finally, in an effort to help address environmental justice, the city of San Diego has unveiled its new Climate Equity Index. The tool will help the city with implementing part of its Climate Action Plan goals.

Instacart, the shopping app that provides personal shoppers for grocery pick-up and home delivery has run into trouble with California’s new AB5 labor law. The company announced Tuesday that it will appeal a ruling by a San Diego judge that people who work for the company should be reclassified from “independent contractors” to employees. Plus, as President Trump’s “public charge” rule goes into effect, there could be a far-reaching impact on San Diego’s immigrant community. The rule makes it harder for low-income immigrants to become legal residents if they rely on public assistance programs. Also, a San Diego man is free after a change in California’s felony murder law, which allowed prosectuors to charge people with murder if they are present during a dangerous felony, even if they didn’t commit the crime. In addition, the county is one step closer to finishing its plan to address homelessness. The Board of Supervisors on Tuesday was presented with 15 locations that could be used for the county's first homeless shelter and/or supportive housing. And, a law professor weighs in on whether a judicial candidate is fit for judgeship after his racially-charged social media posts became public. Finally, the future of the iconic Ken Cinema is up in the air after Landmark Theatres announced it is not renewing its lease.

In a late-night vote after an hours-long meeting, the Sweetwater Union High School District approved the potential layoffs of more than 200 employees to close a $30 million budget deficit. Plus, the San Diego County District Attorney is asking a judge to reduce roughly 26,000 marijuana-related felony convictions since 2016, when voters legalized recreational pot. Also, the V.A. has known for decades that veterans are at higher risk for gambling addiction, but expanding treatment has been slow. The agency recently opened a new treatment center in Las Vegas. In addition, a lawsuit has been filed against a UC San Diego doctor who's drug addiction may have endangered patients. And, author Sonia Nazario is speaking at the 25th annual Writer’s Symposium by the Sea at Point Loma Nazarene University this evening.

Work got underway Monday to dismantle the shuttered San Onofre Nuclear Power Plant. Southern California Edison, the plant’s operator, says the decommissioning process is expected to take eight years. Plus, Vermont Senator Bernie Sanders may be leading in the Democratic presidential primary race, but The San Diego Union-Tribune is recommending the country go in a different direction. The editorial board endorsed South Bend Mayor Pete Buttigieg for president of the United States. Also, a string of Facebook posts, which has since been scrubbed off the site, lands a judicial candidate in hot water for their racist, anti-immigrant, transphobic and misogynist themes. And, the battle over Measure B is attracting big money — mostly from one faction. In addition, KPBS’ “My First Day” podcast introduces listeners to Ron Patterson, a man who slept on the streets of Ocean Beach. Finally, dozens of indigenous voices will be represented at a two-day symposium hosted by UC San Diego this week.

In recent months, pregnant asylum-seekers sent back to Tijuana under the "Remain-In-Mexico" program have been barred from entering the United States for their court dates. Plus, in part three of REWIRED, inewsource delves into the confidential investigation into a UC San Diego oncologist and his experimental brain treatments. And, KPBS arts editor Julia Dixon Evans shares a music-filled weekend preview.

The gloves came off last night in Las Vegas. The Democrats held their 9th Presidential debate and there was a new candidate on the debate stage — former New York Mayor Michael Bloomberg. Plus, there are eleven candidates vying for four San Diego County Superior Court judicial seats on the March primary ballot. If you need guidance on making a decision, the San Diego County Bar Association is here to help. Also, a high-rise project downtown is causing controversy for building a separate entrance for low-income renters. And, in part two of inewsource's REWIRED investigation, a former Navy SEAL has a psychotic episode after receiving hundreds of experimental brain treatments. In addition, researchers at UC San Diego say there is a need for more suicide prevention programs for nurses. Finally, a preview of the premiere of “And They Lynched Him On A Tree” at Bodhi Tree concerts this weekend.

Gov. Gavin Newsom devoted most of his second State of the State address on the intertwined issue of homelessness and housing. Plus, California is reopening the enrollment period for people to sign up for health coverage. More than 1.5 million have bought health insurance covered through Covered California health care exchange. Also, a breakdown of what you need to know about REWIRED, a three-part investigation by inewsource. And, the Army has upped its recruiting game to be more than just combat and emphasized careers in technology, medicine and other non-combat jobs. In addition, a new season of “My First Day” podcast that tells stories of those who have come to San Diego from elsewhere, and now call it home. Finally, Black Comix Day is back this weekend at the WorldBeat Center in Balboa Park.