Pakistan Floods Spread Misery, Threaten Regional Security

"It is as if a neutron bomb exploded overhead, but instead of killing the people and leaving their houses intact, it piled trees upon the houses and swept away the villages and crops and animals, leaving the people alive.”  That's from an account by Daniyal Mueenuddin, a prize-winning writer who practiced law in New York City but now lives on a farm in Pakistan's southern Punjab. We hear from him and others about the breadth of the disaster.