President Trump is expected to decide by May 12 on whether he will withdraw the United States from the landmark Iran nuclear deal. On Saturday, Trump’s attorney Rudy Giuliani spoke at a conference in Washington organized by a group that is allied with the exiled Iranian dissident movement MEK, which was once considered a terrorist organization by the U.S. State Department. Giuliani promised Trump would tear up the Iran deal.

Rudy Giuliani: “We’ve got a president who’s tough, a president who doesn’t listen to the people who are naysayers, and a president that is as committed to regime change as we are.”

On Sunday, Iranian President Hassan Rouhani warned the U.S. would regret pulling out of the Iran nuclear deal.

President Hassan Rouhani: “If America leaves the nuclear accord, it will soon see that this will entail historic remorse for it.”