San Francisco Mayor London Breed speaks during a news conference in January 2020. Justin Sullivan/Getty Images Even though rents are plummeting in San Francisco, it is still one of the most expensive cities in the US and exemplifies the affordable housing crisis. The city's mayor, London Breed, identified an inability to build more affordable housing as the source of the local crisis on the Freakonomics podcast earlier this week. Breed also placed blame on the city's Board of Supervisors, who she said prioritize the "lefty movement" over the city's residents, and ultimately hinder her efforts to create more housing. Visit Business Insider's homepage for more stories. As ...read more...