. >> ken feinberg is the go-to guy for thankless jobs, america's arbiter of human suffering. >> why don't you open up the purse strings? >> his assignment deciding who should be paid for damages from the gulf oil spill, was one of his toughest yet. they really go after you. >> they do, but it goes with the territory. >> it may be the greatest rescue operation since noah's ark. a billion people watched as 33 chilean miners trapped 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 couldn't 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

. >> ken feinberg is the go-to guy for thankless jobs, america's arbiter of human suffering. >> why don'tnment deciding who should be paid for damages from the gulf oil spill, was one of his toughest yet. they really go after you. >> they do, but it goes with the territory. >> it may be the greatest rescue operation since noah's ark.