FILE - In this Tuesday Jan. 7, 2014 file photo Michelle Rodriguez, left, blows vapor from an electronic cigarette as Cara Delevingne watches during the second half of an NBA basketball game between the New York Knicks and the Detroit Pistons in New York. Under a New York City law taking effect Tuesday, April 29, 2014, vaporizing devices will be treated the same as a tobacco-based cigarette. The New York ban, along with similar measures in Chicago and Los Angeles and federal regulations proposed last week, are again igniting debate among public health officials, the e-cigarette industry and users lon the future of the popular devices. (AP Photo/Frank Franklin II, File)
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