Gilbert becomes 3rd Arizona city to regulate e cigarettes Somerville becomes first city in Mass. to restrict e cigarette sales The Boston Globe FDA authorizes first menthol flavored e cigarettes for adults PBS News Vape Shops Clouding Issues of Safety E Cigarettes and the U.S. Menthol Ban: A Missed Opportunity to Protect Youth Think Global Health China e cigarette titan behind 'Elf Bar' floods the US with illegal vapes Reuters