I don't think we need radical change in regard to nuclear power in near term. I simply think we need to build new nuclear powerplants. And I don't think government being in charge and operating them as an answer.
I do believe radical change over the longer term.
As I have mentioned before- nucear power should ultimately be generated in Space and beamed to Earth. We need to work towards this longer term goal. We need to develop technologies that allow beaming large quantity of energy at high efficency- start small and simple to work towards larger and more complex systems.

The future energy needs should focused on making energy available at lowest cost- and cost should include all factors involved in regard to cost: the cost of money, all the risks, all the environmental affects, etc.
The point is lowest cost of energy- not generation of energy at any cost, therefore private enterprise and markets are the answer- not bigger govt involvement.