Measuring the trail's success

From the BBC World Service: The United States says it will allow some small Venezuelan oil shipments to reach Cuba, providing a lifeline to the Caribbean island. Cuba's electricity grid runs on foreign oil, and without it, the lights simply don't stay on. Then, we'll head to one small town in the north of England, where a collection of 13 charity thrift shops on its Main Street is attracting visitors from far and wide.