We are trying that since 66 years, since the first nuclear power plant.
What we have achieved so far is a nuclear industry which is hardly able to keep the status quo of installed power generation, sky high rising costs for building nuclear power plants, extremely long build times, very little technological progress in the last decade, unsolved financial and technological problems, ...
If it were commercially viable and scalable, it would thrive by now.
All the promised next-gen problem solvers like breeders, thorium fuel cycle, reprocessing industries, ... have been more costly and financially toxic.