A possible interim nuclear deal between the United States and Iran would ease bilateral tensions, but it remains unclear whether the two will reach such an agreement, and even if they do, it would be extremely fragile and face implementation challenges. The London-based Middle East Eye reported on June 8 that Iran and the United States are nearing an interim agreement that would see Iran reduce its uranium enrichment activities in exchange for limited sanctions relief, citing an Iranian official and a person close to the negotiations. Under the terms of the deal, Iran would no longer enrich uranium to 60% or higher levels and would continue cooperating with the International Atomic Energy Agency for monitoring and verification of its nuclear program. The United States would authorize Iran to export up to one million barrels per day of oil and access some frozen funds abroad. On June 8, a spokesperson...