Japan reactor core may be leaking

Japan reactor core may be leaking radioactive material, official saysBy the CNN Wire StaffMarch 25, 2011Tokyo (CNN) -- Authorities in Japan raised the prospect Friday of a likely breach in the all-important containment vessel of the No. 3 reactor at the stricken Fukushima Daiichi nuclear power plant, a potentially ominous development in the race to prevent a large-scale release of