The Secrets of Big Tobacco: Has Philip Morris International Really Given Up Smoking?

More than a decade has passed since major tobacco companies were found to have misled the public over the dangers of smoking. Now, one of the largest firms has said it wants a smoke-free future and offers so-called reduced-risk alternatives. Jane Moore examines Philip Morris International's campaign and investigates attempts to promote the brand in the UK, while billions of cigarettes continue to be sold across the world.