Nation's first e cigarette ban, proposed in San Francisco; Juul, headquartered there, is a prime target of the bill CBS News FDA Rescinds Marketing Ban On Juul E CigarettesProducts Back Under Review FDA bans all Juul e cigarettes in U.S.; lung association hails decision UPI.com Juul Suspends Selling Most E Cigarette Flavors in Stores The New York Times FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization ABC News California flavored tobacco ban loophole may be putting teens, kids at risk ABC7 San Francisco