For 69 days half a mile underground stepped from darkness into light. [cheers and applause] if ever there was a story with a happy ending, this was it. [men chanting] but when we visited the miners several months after their rescue, we found many were struggling. For example, alex vega was building a wall around his house, though he couldnt explain why. On march 11, 2011, japan was hit by a tsunami that rewrote history. It was triggered by a 9. 0 earthquake that helped set off the Biggest Nuclear emergency since chernobyl. This is unprecedented, you know, uncharted territory, that the consequences could be greater than we expect. Welcome to 60 minutes on cnbc. Im morley safer. In this edition, we look at the effect of three disasters the massive 2010 Gulf Oil Spill, the chilean mine collapse that trapped 33 miners underground for weeks, and, in 2011, the massive earthquake in japan followed by a devastating tsunami. We begin with the bp oil spill and Kenneth Feinberg, the lawyer who is