David McNeill & Jake Adelstein It is one of the mysteries of Japan’s ongoing nuclear crisis: How much damage did the March 11 earthquake do to the Fukushima Daiichi reactors before the tsunami hit? The stakes are high: If the quake structurally compromised the plant and the safety of its nuclear fuel, then every other similar reactor in Japan will have to be … [Read more...] about What happened at Fukushima? (revised version of an article earlier in the Atlantic)