It seems universally true that a problematic few cause problems for all, and this is no more true than in Iran:
Iran has a long and justifiably proud history of scientific research, and it is impressive to see them pressing on in the face of sanctions and isolation. The saddest part is that there are probably many scientists caught in Iran who only want to advance their science, but are being inhibited because most of the world is concerned that their government is going to develop WMDs. It's possible that even some of the scientists working on the nuclear program feel that way.
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