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May 25, 2016

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Sales clerk Sam Patel, of Waltham, Mass., displays a blu e-cigarette, right, and a container of the e-cigarettes, left, at a shop, Wednesday, May 21, 2014, in Brookline, Mass.

AP Photo/Steven Senne

Sales clerk Sam Patel, of Waltham, Mass., displays a blu e-cigarette, right, and a container of the e-cigarettes, left, at a shop, Wednesday, May 21, 2014, in Brookline, Mass.