Plant chief: Fukushima nuke plant still vulnerable
Japan Nuclear
Tsunami-crippled Fukushima Dai-ichi nuclear power station of Tokyo Electric Power Co., is seen through a bus window during a press tour led by TEPCO in Okuma, Fukushima prefecture, northeastern Japan, Tuesday, Feb. 28, 2012. Japan next month marks one year since the March 11 tsunami and earthquake, which triggered the worst nuclear accident since Chernobyl in 1986. (AP Photo/Kimimasa Mayama, Pool)