Is Apple a Tax Cheat?

A Senate committee today heard details of Apple's web of subsidiaries, in the US and around the world — some with no employees but total exemption from taxes or even laws requiring them to keep records. Charles Duhigg, Pulitzer Prize-winning reporter for the New York Times and co-author of its "The iEconomy" series, has more on the most profitable technology company in America and new realities in the digital age.