WASHINGTON — Many factors are to blame for the dying prospects of reviving the 2015 Iran nuclear deal. But perhaps nothing has hobbled the Biden administration’s efforts more than the legacy of President Donald J. Trump.
It was Mr. Trump, of course, who withdrew in 2018 from the nuclear pact brokered with Iran by the Obama administration, calling it “the worst deal ever.”
But Mr. Trump did more than pull the plug. U.S. officials and analysts say his actions vastly complicated America’s ability to negotiate with Tehran, which has made demands outside the nuclear deal that President Biden has refused to meet without receiving concessions.
The original pact limited Iran’s nuclear program in exchange for the easing of economic sanctions that have crushed the country’s economy. After Mr. Trump quit the deal and reimposed sanctions, Iran also began violating its terms.
With no compromise on a new agreement in sight and Iran making steady progress toward nuclear capability, the Biden administration could soon be forced to decide between accepting that Iran has the capacity to make a bomb or taking military action to prevent it from doing so. Iran maintains that its nuclear program is for peaceful purposes, like producing medical isotopes to diagnose and treat disease.
Mr. Trump handed Mr. Biden a needless nuclear crisis, Robert Malley, the State Department’s chief negotiator, told senators at a hearing late last month, adding that the chances of salvaging the deal had…