An interesting editorial in the WSJ by William Tucker mentions this fact:
France, which completely reprocesses its recyclable material, stores all the unused remains — from 30 years of generating 75% of its electricity from nuclear energy — beneath the floor of a single room at La Hague.
Meanwhile, we have a huge stash of nuclear waste at Yucca Mountain, and it has become a lightning rod for criticism. Why? Because the reprocessing of that "waste" into more useful nuclear products, as France does, was banned in 1977 by Jimmy Carter.