it's the only viable efficient source of energy. renewable energy is still developing. it's not there yet and until it is, we can't do without nuclear power. jeremy says definitely shouldn't affect new construction of nuclear power plants. the odds of having issues such as japan is very slim just like japan's chances were. nuclear power is cleaner, more cost effective than coal burning powerhouses and puts a lot of people to work during and after construction. we got a lot of e-mail. go to my blog cnn.com/cafferty file. wolf? >> i'm getting a lot of e-mail on this as well, thanks very much. an american caught up in the earthquake nightmare desperate to talk with the family back in the united states. how a cnn crew actually helped out. stand by for that report.