The sakura season in Tokyo has barely began, but the city is already draped in dazzling shades of pink and white. The blossoms arrived just in time to welcome the all-important day of April 1, when, by tradition, the first day of school coincides with the first day of work for hundreds of thousands of university graduates entering the work force. Crisp white shirts, new black suits and brown leather attaché are as ubiquitous as the spring blossoms themselves. Sakura season in Tokyo This year, the triple threat of earthquake, tsunami and nuclear crisis have cast a thick shadow on the season of hope and renewal. Each day citizens wake up to the new reality of a nation teetering on the brink of a Chernobyl-type disaster. Nearly a month after the March 11 earthquake and tsunami, TEPCO, operator of the damaged Fukushima (福島) nuclear plants, remains utterly incapable of containing the radiation leaks. To cool down the overheating reactors, sea water, fresh water and wate...