If it wasn't hard, Afghanistan would have been a nuclear power by now, Pakistan wouldn't have had to sell nuclear secrets to North Korea via Barclays, and Saudi

If it wasn't hard, Afghanistan would have been a nuclear power by now, Pakistan wouldn't have had to sell nuclear secrets to North Korea via Barclays, and Saudi Arabia wouldn't have had to reach a tacit agreement with Pakistan either. It's the expensive enrichment facilities that are the bottle neck here.