Chile: the miracle of the trapped miners

Traitor or hero? Americans debate as army private Bradley Manning faces court over the biggest security breach in US history. Next, women's rights are under the spotlight in El Salvador. We hear from one woman whose life was put at risk because of a ban on abortion. Finally, the artists behind Hollywood's breathtaking special effects demand their fair share of the profits.

With survivors picking up the pieces of their homes after this week's deadly tornado in Oklahoma, we examine how and why the state is prone to some of the world's largest twisters. We also look at how the city of Detroit is battling to stave off bankruptcy, while an emergency manager has been called in to make huge spending cuts. And we explore a stunning natural phenomenon under threat: mass butterfly migration from the United States and Canada to Mexico.