Actually, waste-burning power plants aren't even an old idea. Look up the Integral Fast Reactor program from the 1980s:
http://en.wikipedia.org/wiki/Integral_Fast_Reactor
Closed-fuel system, high level of safety, proven record? I'd buy that. But apparently there are "proliferation" concerns, as it is technically a breeder reactor, and
everybody knows that breeders are evil, nasty things whose sole purpose is to create weapons-grade.
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Vanvikan, Feb. 2009: ordinary human, KIA, night 4
HMS Thanatus, May 2009: ??? human, KIA, night 7