In this photo made with multiple flash exposures, a model smokes an 

In this photo made with multiple flash exposures, a model smokes an electronic cigarette backstage before the Chado Ralph Rucci Fall 2013 collection is shown during Fashion Week, Sunday, Feb. 10, 2013, in New York. (AP Photo/John Minchillo)
Associated Press
In this photo made with multiple flash exposures, a model smokes an electronic cigarette backstage before the Chado Ralph Rucci Fall 2013 collection is shown during Fashion Week, Sunday, Feb. 10, 2013, in New York. (AP Photo/John Minchillo)
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