The union representing San Francisco Muni drivers is angry over new break restrictions. The SFMTA says they are trying to improve on delays and save money. Special breaks now have to be approved and San Francisco Bans Sale of Juul and Other E Cigarettes The New York Times Ban on flavored vaping may have led teens to cigarettes, study suggests Yale News Iqos Electronic Cigarette With Heatnotburn System Stock Photo Download Image Now iStock San Francisco's e cigarette sales ban is an unprecedented health experiment CNN