Iran nuclear talks: A summary of the framework deal

The White House released a summary of what are being called "parameters" for an eventual nuclear deal agreed in Lausanne today between Iran, the United States, and five other world powers. The briefing released today says that Iran has agreed to cut the number of centrifuges, the key machinery to enrich uranium, from roughly 19,000 today to 6,100, with about 1,000 kept offline.