Sen. Sherrod Brown, D–Ohio, meanwhile, worried that while Trump’s decision doesn’t end the agreement, it could lead to its unraveling. He said failure to adhere to the Iran deal might make allies and North Korea question whether the United States will stand by its commitments.
“There is no question we must crack down on Iran’s destabilizing activities in the region, including its support for terrorism — which is exactly why Congress enacted tough new sanctions this summer,” he said. “The president should use those sanctions, instead of leading us down a path toward unraveling the Iran nuclear agreement, which his own defense secretary has said would not be in our national interest.”
Sen. Rob Portman, R-Ohio, said the multi-nation agreement under Obama “has empowered Iran to increase its destabilizing activities throughout the region, while at best pausing — not dismantling — Iran’s ability to produce nuclear weapons and delivery systems.”
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He said he would like the U.S. to implement a comprehensive regional strategy to combat Iran’s influence “and hold it accountable for both its nuclear program and its destabilizing non-nuclear activities, including its support for sectarian militias and terrorist groups like Hezbollah, human rights violations, and increasing involvement in conflicts in Syria, Iraq, Yemen, and elsewhere.”
Republican Rep. Jim Renacci of Wadsworth, one of four GOP candidates for governor, tweeted, "Obama's disastrous Iran nuclear deal shipped billions to the world's #1 state sponsor of terrorism & green lighted their nuclear weapons program. It threatens both America's security & Israel's existence. Thank you @realDonaldTrump for taking a critical step towards ending it."
Rep. Pat Tiberi, R-Genoa Township, said Trump’s decision should force Congress to develop a strategy “with stricter enforcement to keep Iran from obtaining nuclear weapons.”
“The Iranian regime has consistently remained hostile to Israel, violated multiple UN resolutions to build their ballistic missile program, and has posed a wide range of threats to the region and our own national security,” he said.
Rep. Bill Johnson, R–Marietta, said the U.S. should never have agreed to the deal.
“It only temporarily restricts Iran’s nuclear program, and does little to deter Tehran from continuing its thirst for nuclear weapons and technology — all while filling the regime’s coffers,” he said. “Not only has Iran repeatedly displayed a disturbing pattern of behavior while continuing to recruit and fund terrorist groups operating in Syria and Iraq, but the Iranian regime’s continued nuclear testing on military sites also undermines the standards set by the international community to promote security and regional stability.”
Rep. Steve Stivers, R–Upper Arlington, said he, too, was never comfortable with the Iran deal.
“From the very beginning, I had concerns about the Iran Deal because it is based on the failed North Korea Deal and did not include restrictions on the development of technology used to weaponize nuclear energy, such as triggers, fuses, and ballistic missiles,” he said. “I believe this decision will allow a new agreement to be negotiated which will include language to prevent a nuclear armed Iran.”
Rep. Mike Turner, R-Dayton, said the deal had “an insufficient inspection regime, insufficiently addresses long range ICBM missile development, and is limited to 10 years, giving the appearance of permission to develop nuclear weapons during the 11th year.”
However, he said, he believes that Iran is “materially complying with the provisions that require Iran abandon pursuit of the development of nuclear weapons.”
“After the President’s statements today, the international community and Congress must provide sufficient leverage for amending the agreement in ways that could ensure Iran never obtains nuclear weapons,” he said.