I'm the biggest proponent of Gen IV nuclear. But believe me that the level of partitioning and transmutation required to get to 300 year waste requires reproces

I'm the biggest proponent of Gen IV nuclear. But believe me that the level of partitioning and transmutation required to get to 300 year waste requires reprocessing processes of a sophistication that are contrary to the concept of "free" anything. In fact, there's SO much nuclear fuel on Earth and in the seawater, and seawater uranium extraction is getting cheap enough that it's now reasonable to envision world-scale nuclear fission without heavy reprocessing. Deep burn/modified once-through cycles or limited recycling can get you really far with this kind of resource.