This is thinly disguised environmentalist whacko propaganda, designed to make nuclear power seem dangerous in the sheeple's mind. If we had gone ahead with this weapon, no telling what kind of technology we would have today.
I second that motion.
About the same time the XB-70 and the supporting fighter project were underway, and astonishing treachery killed those.
(We could really have done a number on North Vietnam with a pluto rocket.)