Senators grill FDA regulators and Justice Department officials over rise of unauthorized e cigarettes PBS News Vape retailer near Marquette University braces for effects of new Wisconsin vape ban Marquette Wire Revenue is down 90% since June for a metro Detroit company that's the second largest nicotine vape distributor in the U.S., thanks to new federal regulatory actions. The crackdown from the U.S. Food Supreme court to hear case challenging FDA's ban of flavored vapes Smokescreen: some vape firms pivot after FDA crackdown Reuters