Comment by sgjohnson

> and the fact that you have radioactive material you need to securely and safely store for quite a bit (which no one has figured out yet)

It's perfectly figured out. Just entomb it in concrete and store it on site. All spent nuclear fuel to date combined would quite comfortably fit in an average Walmart parking lot. It's a complete non-issue. And if we'd get really desperate, the spent fuel could be re-enriched.