What’s the worst-case scenario if Ebola can’t be slowed?

In Liberia, the total number of cases of the Ebola virus is being doubled about every three weeks. Dr. Kevin De Cock, the director of the CDC Center for Global Health, says that unless the outbreak is slowed down, there may be hundreds of thousands of cases by early next year. Jeffrey Brown interviewed him in Nairobi, Kenya, about possible worst-case scenarios.