I think even with solar, wind, tidal and perfect grid storage nuclear is still worth investing in, simply because its a useful technology to have in some space travel applications, in some cases even more useful than fusion power would theoretically be.

Everyone hates getting stuck because it turns out that one tech from half the tech-tree ago was mandatory for progression.

‘To get your boy home in a box’ fits the tempo better I think.

This reminds me of the fall of multiple fictional empires that had rested on their laurels building overpriced wonder weapons that turned out to both too few in number and not all that wonderous when taken out of a white room and exposed to real battlefield conditions.

Didn’t he already partially do that? He also appears to be letting Russia (and no one else) through the blockade to sell oil to Cuba.

I believe there is a generator with functional prototypes in the US and China that uses supercritical CO2? I mean its basically a steam engine but using a different medium and potentially even more efficient.

Even then all of them but solar are just spinning a wheel.