Who controls the fate of a mural decades after its painted? What happens if the building's renter completely covers it with white paint, but only after the art has been badly tagged by graffiti? The answers to those questions may be provided by a federal court if muralist Dan Fontes has his way. Fontes is seeking $400,000 in damages from the current and former operators of Autocom Nissan at Broadway and 27th Streets in Oakland,.