Several different versions of the NJOY electronic cigarettes are shown in Richmond, Va., Friday, March 22, 2013. Former U.S. Surgeon General Richard Carmona, who highlighted the dangers of secondhand ... more 
Several different versions of the NJOY electronic cigarettes are shown in Richmond, Va., Friday, March 22, 2013. Former U.S. Surgeon General Richard Carmona, who highlighted the dangers of secondhand smoke and supported a ban on all tobacco products, is joining the board of directors for NJOY Inc., the nation's leading electronic cigarette company — a move that could bring increased legitimacy to e-cigarettes as a viable alternative to traditional cigarettes. (AP Photo/Steve Helber) less 
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Associated Press | Photo By Steve Helber
Sun, Mar 24, 2013 1:44 PM EDT