Aerial picture of Chernobyl nuclear power plant taken two or three days after the 1986 explosion. Japanese authorities are considering a “Chernobyl solution” for the stricken nuclear power plant at Fukushima that would bury it in concrete and sand. As the team of 300 workers continues to try to douse the reactors with water, engineers said they had not ruled out the drastic measure. But the “messy...