High-level radioactive waste is too irradiated for normal industrial disposal because exposure would pose a general health hazard to human and animal populations. Going nuclear means producing substances that can never be released back into the normally recycling industrial environment. Ever.
And of course, there's Yucca Mountain:
Oh and don't forget that pesky concern over how to transport radioactive waste from different parts of the country into Nevada. Talk about an open invite to terrorists... given the handy Homeland Security color scheme has us at a constant state of 'high risk' orange already, I somehow suspect the mapped truck routes may just spike us off the charts into hypercolor.
My less-than-favorable perspective is now up over at NexGen...