The Voke: A Savior for Smokers?

Mark Kelley travels to London, England  to meet the inventor of the Voke, a device that could revolutionise the fight against smoking.  The Voke is also a game changer in other ways -- because the company that will mass produce it is a major tobacco company, British American Tobacco.  So are the very people that hooked you on smoking really going to help set you free?