Money talks: Shopping for diamonds

LVMH, a French luxury goods giant, is buying American jeweller Tiffany & Co for over $16bn. What are its plans for the latest jewel in its crown? Soumaya Keynes speaks to Stephen Vaughn, former general counsel to the United States Trade Representative, about a crisis at the heart of the World Trade Organisation. And, what lessons can be learned from the world's most extreme economies? Patrick Lane hosts ___________________  For full access to print, digital and audio editions of The Economist, go to www.economist.com/radiooffer