Now Playing: 07-04-12 Marketplace

Former Barclays CEO Bob Diamond testified to British lawmakers today. Sarah Gardner talks to two American ex-pats in Europe about what they are seeing and hearing on the streets of their adopted homes. The FDA in U.S. has approved distribution for the first ever over-the-counter rapid HIV test. Is produce from the farmers market really what's best for our health and the environment? Hard cider sales have increased more than 20 percent nationwide, while beer sales have dropped.  And reporter Mitchell Hartman looks into what a songs need in order to become a summer hit.