Eric Westervelt

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Nationwide protests over police accountability and racial justice have reenergized longstanding efforts to fundamentally change how police departments respond to someone in a mental health emergency. Many are calling for removing or dramatically reducing law enforcement's role in responding to those crisis calls unless absolutely necessary.

Marin County, just north of San Francisco, is best known nationally as a picturesque gateway to wine country and home to moneyed tech investors and a handful of aging rock stars. The reality, of course, is more complicated.

The catastrophic explosion in Beirut last week has renewed calls in the U.S. to strengthen oversight of ammonium nitrate or AN, a chemical compound used in some farm fertilizers.

Officials in Beirut believe the giant blast, which killed more than 200 people and damaged half of the city, was likely an accident caused by fire and negligent storage of some 2,750 tons of the chemical.

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Updated at 2:06 p.m. ET

An explosion of coronavirus infections at California's San Quentin State Prison, the state's oldest, has public health officials there worried about its impact on prisoners, staff and the wider hospital system in the San Francisco Bay Area.

"Shocking, heartbreaking are certainly the words I would use to describe it," said David Sears, a physician and professor of medicine at the University of California, San Francisco. He recently toured San Quentin and warned officials about just such an outbreak.

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