Banned because most leaders make decisions with their heads. Although we will likely need to update that expression as more women enter high-level positions.
My dad worked at a nuclear power plant. We watch nuclear power plant "disaster" films and laugh. Just don't get him started on the idiots in Japan that failed to design the plants to withstand tidal waves. Of the cheapness of the design that they used.
One issue: those plants were designed and built by American contractors. (Although the Japanese government did hold off on authorizing emergency action for fear of making the potential nuclear meltdown and long-term radioactive contamination of dense population centers seem like, you know, something to get worried about).