One year after its conclusion, the Joint Comprehensive Plan of Action (JCPOA) remains controversial in Tehran and Washington, with opponents unreconciled to the deal and determined to derail it. Republican attacks against the deal will keep the controversy alive for most of this election year.

But opponents have had to scale back their criticism, in large part because the JCPOA, at least so far, has delivered on its principal goal—blocking Iran’s path to nuclear weapons for an extended period of time. No one can dispute that Tehran has sharply reduced its capacity to produce fissile materials for nuclear weapons and would need at least a year to rebuild enough capacity to produce a single bomb.

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Read the full post at the Brookings Institution: https://www.brookings.edu/blog/markaz/2016/07/13/the-iran-deal-off-to-an-encouraging-start-but-expect-challenges/