Media reports say Trump will make the announcement in a speech slated for October 12, but that the timing could change.
By declining to certify Iran's compliance, Trump would return it to Congress to decide whether to re-impose punitive economic sanctions.
Trump is weighing a strategy that could allow more aggressive US responses to Iran's forces, its Shi'ite Muslim proxies in Iraq and Syria and its support for militant groups. Trump doesn't exactly have a 100% record on his campaign promises, but he was relentless in assailing a handful of multilateral deals, usually with the rationale that they served the interests of other countries before those of the US.
During the same hearing, Gen. Joseph Dunford said he believes Iran is not in material breach of the accord, which he believes has delayed Tehran's nuclear capability. He's pretending he needs congressional permission to do something he can do on his own.
Trump grew quiet and smiled broadly as cameras clicked. "And if they choose to rebuild it, we could destroy it again, until they get the picture".
The agreement on the settlement of the long-standing Iran nuclear problem led to the lifting of sanctions introduced against Iran due to its nuclear program by the UN Security Council, the US and the European Union. For weeks, Mr. Trump has been promising to respond to any North Korean aggression toward the United States.
A jazz band played as Trump spoke in the White House Rose Garden.
"We will not follow the United States in reneging on our worldwide obligations with this deal", said a second official. At the Council on Foreign Relations on Tuesday, Cotton said that would be a "backward-looking step".
Backing out the deal would free Iran to begin producing uranium and reprocessing plutonium immediately, not after 13 years, as is stipulated in the agreement.
"The argument is, and I think rightly so, that if the deal falls apart, it is much better from a USA national security perspective for Iran to be the one to blame, not us", Kaye said.
Finally there are nearly certainly not enough votes in the Senate to re-impose the sanctions.
In the end the committee chose not to provoke Trump by handing prizes to Iran's Foreign Minister Mohammad Javad Zarif or former U.S. secretary of state John Kerry. For now, supporters of decertification argue that this move could open the path for a stronger deal that could be negotiated.
Though it lifted some sanctions after Iran signed on to the nuclear pact, the United States retains a number of measures that prohibit most USA entities and individuals from doing business with the country.
Democrats do have grounds for concern. He told the UN General Assembly last month that it was "one of the worst and most one-sided transactions the United States has ever entered into".
"I hope we don't have to coerce allies".
Sullivan may be right.
The TPP decision was likely Trump's most popular. Iran's ties with North Korea extend beyond their missile development and suspicions of nuclear cooperation.