Trump expected to decertify Iran nuclear deal, official says 10/5/2017 10:22:21 PM U.S. President Donald Trump speaks after meeting with police at the Las Vegas Metropolitan Police Department in the wake of the mass shooting in Las Vegas, Nevada, U.S., October 4, 2017. WASHINGTON, Reuters, October 5, 2017  -  President Donald Trump is expected to announce soon that he will decertify the landmark international deal to curb Iran’s nuclear program, a senior administration official said on Thursday, in a step that potentially could cause the 2015 accord to unravel. Trump has been weighing whether the pact, which he has called an “embarrassment,” serves U.S. security interests as he faces an Oct. 15 deadline for certifying that Iran is complying with it. The official, speaking on condition of anonymity, said Trump is also expected to roll out a broader U.S. strategy on Iran that would be more confrontational. The Trump administration has frequently c...