In Vienna today, negotiators in the Iran nuclear talks have extended their deadline until next Tuesday as they struggle toward a permanent solution. At the same time, the European Union has extended its suspension of economic sanctions for another week. The pressure is growing and, although the Ayatollah Khamenei insists he doesn’t need a deal, Iranians are tired of painful economic sanctions. President Obama sees a "historic opportunity" to limit proliferation, at the same time saying, "No deal is better than a bad deal." Each side has accused the other of backing down on prior agreements. We hear about the potential benefits of success and the consequences of failure.