Associated Press
FILE - In this Tuesday, Nov. 6, 2012 file photo, Democratic Senate candidate Richard Carmona gives his concession to Republican Rep. Jeff Flake at a Democratic Party gathering, in Tucson, Ariz., as the two were running for the Senate seat vacated by retiring Republican Jon Kyl. Former U.S. Surgeon General 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/Ross D. Franklin, File)

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