With all the recent media coverage around working conditions at Apple's contractors in China, Headline looks at the "real" cost of owning an iPhone and whether labour practices are - or should be - a factor. BNN speaks to Mike Daisey, author and actor in off-Broadway monologue, The Agony and Ecstasy of Steve Jobs; Richard Locke, professor of political science at MIT and Prakash Sethi, professor, City University of New York, who have both worked with companies such as Nike doing audits.