Olkiluoto and the inevitability of the next major nuclear accident

Licensing reactors to operate for 100 years? It's madness. But it's about to happen in the US, making another nuclear disaster inevitable. Unless we stop it. This week's edition of The Update looks at what might have happened in Finland with the "severe abnormal event" at Olkiluoto 2, and why a serious nuclear accident could become inevitable in the US the longer the aging, degrading, uneconomical and obsolete reactor fleet is allowed to keep operating.