I am talking about Greg Jaczko and now Allison Macfarlane. I do not think they are incapable per say, but I question their technical knowledge. Nuclear reactors are highly engineered systems. Jaczko does have a PhD in physics, but it seems to me his dissertation was quite theoretical. Macfarlane is a geologist who does study nuclear waste issues. However, that is only one aspect of nuclear power. Perhaps I am being baised being a nuclear engineer myself?