There aren't many options left for the nuclear crisis at Japan's Fukushima plant. There may be no more water to cool the no. 4 reactor, leaving the rods indefinitely exposed and certain to melt down. The Japanese emperor, who is "deeply concerned," has made a rare address to the public. Meanwhile, bankers are hogging all the planes out of the country. Here are the latest updates from the Japanese earthquake/tsunami/nuclear meltdown disaster.