Uranium One - not 20% of uranium reserves. It's worse.
It was a deal to hand-over 20% the USA's production capacity to Putin.
More to the point:
A deal to hand-over uranium processing technologies, to Putin.
Hillary was masterful at that - finding ways to give USA tech to other countries.
Yes, increasingly. Sooner.
Flight has been given serious thought as well.
https://en.m.wikipedia.org/wiki/Nuclear-powered_aircraft