National Public Radio: The troubles at the Fukushima Daiichi nuclear plant began over two years ago when an earthquake and tsunami sparked meltdowns in three reactors. But events over the past week serve as reminder that the problems are far from over.
First, a remote camera spotted steam rising from one of the melted down reactors at the plant. The steam was first seen at the unit 3 reactor late last week, and it's continued on-and-off ever since.
Steam rising from the ruins became an iconic image from the early...