Iranian Presidency Office, via Associated Press WASHINGTON — Iran has exceeded a key limitation on how much nuclear fuel it can possess under the 2015 international pact curbing its nuclear program, effectively declaring that it would no longer respect an agreement that President Trump abandoned more than a year ago , state media reported on Monday. The breach of the limitation, which restricted Iran’s stockpile of low-enriched uranium to about 660 pounds, does not by itself give the country enough to produce a nuclear weapon. But it signals that Iran may be willing to abandon the limits and restore the far larger stockpile that took the United States and five other nations years to persuade Tehran to send abroad. The developments were reported by the semiofficial Fars news agency , citing an “informed source.” It was unclear how much the action would escalate the tensions between Washington and Tehran […]