New reports cite the effects of international sanctions on Iran 's nuclear efforts . A cyberattack also had a crippling effect on an enrichment site . Comment: Reports : Iran appears on a trajectory `` to producing weapons-grade uranium ''
New reports cite the effects of international sanctions on Iran 's nuclear efforts . A cyberattack also had a crippling effect on an enrichment site . But Iran has more than enough enriched uranium for its research reactor . Reports : Iran appears on a trajectory `` to producing weapons-grade uranium ''