Iran Comes Back to the Bargaining Table

After more than a year since cancelling negotiations about its nuclear program, Iran will sit down on Saturday with the US and other powerful countries. But nobody is predicting what to expect. Iran insists it is not developing nuclear weapons, but it's facing crippling sanctions and a possible Israeli attack. With elections scheduled in both the US and Iran, domestic politics could prevent major concessions by either side. We hear a variety of opinions on what might go right and what might go wrong.