The Chinese stock market falls, but this time, official media are silent there. The key index in Shanghai fell about 8 percent today. More on that. Plus, all this week we’ve been speaking with ordinary Greeks to find out the impact of the crisis on their lives. Today, we talk to Nick Voglis, owner of a small gourmet sandwich bar in Athens. The sandwiches are delicious, but his fellow Greeks may find his opinions unpalatable: he blames Greece for the crisis. And John Kerry off to Vienna for concluding Iran talks we look at what economic levers the U.S. has at its disposal and their effectiveness.