A Necessary War

On today’s show, Ken Burns discusses his seven-part, 15-hour epic World War II documentary. Then, Alek Wek on how she fled the civil war in Sudan and eventually became an international supermodel. Also, we'll talk about a new movement that's trying to figure out a less harmful approach to controlling pests. And we get an update on The Great Turtle Race. Plus, Joy Behar dispenses advice on how to get through life’s rough patches.