Talks on Iran’s nuclear program were deadlocked and set to miss another deadline as the Islamic Republic’s interlocutors argued over persistent differences, including lifting restrictions on arms sales. Senior officials involved in the negotiations said it was too late to reach a deal by Friday morning in Vienna, the last chance to qualify for a 30-day review in the U.S. Congress. An agreement after that would be subject to 60 days of scrutiny, pushing back the date when Iran could qualify for sanctions relief, its main objective. Diplomats alternated between insisting that a deal is within reach and threatening that they are almost ready to walk out. “We are very close, but if the important, historical political decisions are not made in the next hours we won’t have an agreement,” European Union foreign policy chief Federica Mogherini told CNN late on Thursday. U.S. Secretary of State John Kerry said […]