Iran’s demand that the 2015 nuclear deal be modified to circumscribe a future U.S. president’s ability to withdraw unilaterally may be a blessing in disguise. The proposal would amount to a serious modification of the original agreement. As such, it signals a desire by Iran not simply to return to “mutual compliance” with the accord, but to renegotiate it.

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Read the rest of the op-ed at The Wall Street Journal.