The city of San Francisco has filed a lawsuit aimed at shutting down websites that employ artificial intelligence to let users create nude images of people. The effort to combat so-called deepfakes is the first one of its kind in the country.

San Francisco's sidewalks were once notorious for sprawling tents belonging to homeless people but are now largely clear.

There are still people sleeping on sidewalks, some with just a blanket, and tents continue to crop up under freeway overpasses and more isolated corners of the city. But tents tha