Economy May 8, 2020 3:09 pm Full Interview: Robert Valletta, SF Federal Reserve Associate Director of Research Robert Valletta, associate director of research for the San Francisco Federal Reserve, speaks to NBC Bay Area’s Janelle Wang. US & World Videos 2:19 San Francisco barbershop struggles to stay open after pandemic 0:51 Alameda County using dogs to detect COVID 3:57 Interview: Doctor's perspective on COVID 4 years after shutdown started 2:27 Marking 4 years since COVID-19 shut down the Bay Area 2:09 CDC updates COVID isolation guidelines