The closing stages of the Vietnam War were marked by high drama and desperation. A little-known incident involved a team of US scientists on a top-secret mission. Their job was to remove fuel from a nuclear reactor -- before North Vietnamese forces could get to it. It was a race against time, and the price of failure would be nuclear devastation. We spoke with one of the mission's members, and reviewed the operation's logbook.

Today we look at the situation in Nepal three months after a major earthquake there. Sho Beppu reports from the capital, Kathmandu.