This week we talk with former Department of Water and Power head David S. Freeman and L.A. Times reporter Abby Sewell about the nuclear power plant at San Onofre. The plant has been closed for two months after an initial leak was discovered. Find Sewell's most recent story at http://www.latimes.com/news/local/la-me-0328-san-onofre-20120328,0,1692312.story.

An excerpt from Sewell's story: The plant has been shut down for two months, the longest in San Onofre's history, after a tube leak in one of the plant's steam generators released a small amount of radioactive steam. Since then, unusual wear has been found on hundreds of tubes that carry radioactive water.

Neither regulators nor Edison have said when they believe the plant will reopen. San Onofre is a major supplier of power for Southern California, producing about 2,200 megawatts of power, or enough electricity to serve 1.4 million households. It is Southern California's only nuclear power plant.