'A clear danger': oil spill in California city revives calls to cut ties with Chevron

An estimated 600 gallons of oil have spilled from the Richmond refinery into the San Francisco Bay

Emergency crews in Richmond, California, are rushing to clean up an estimated 600 gallons of oil that spilled from a Chevron refinery into the San Francisco Bay. Details on the spill are still scant, but the emergency has reinvigorated calls from residents and environmentalists for the city to change its relationship with the refinery.