Iran is on course to breach a threshold in its nuclear agreement within days by accumulating more enriched uranium than permitted, although it had not done so yet by a deadline it set for Thursday, diplomats said, citing U.N. inspectors’ data. A week after U.S. President Donald Trump called off air strikes on Iran at the last minute, the prospect that Tehran could soon violate its nuclear commitments has created additional diplomatic urgency to find a way out of the crisis. Iran had set Thursday as a deadline beyond which it would exceed the threshold for stockpiles of enriched uranium allowed under its 2015 nuclear deal with major powers, which Tehran is still following even though Washington abandoned it last year. The latest data from U.N. inspectors suggested Iran had not yet crossed the limit but was on course to do so within days, diplomats said […]