"The worst-case scenario is that the fuel rods fuse together - temperatures get so hot that they melt together into a radioactive molten mass that busts through the containment mechanisms. So they spew radioactivity into the ground, into the air, into the water. Some of that radioactivity could carry in the atmosphere to the west coast of the United States."
Japanís ambassador in Washington, Ichiro Fujisaki, acknowledged potential dangers, but said no complete nuclear meltdown appears imminent.'just can't be trusted can they'!