In this photo released by the official website of the Iranian presidency, President Hassan Rouhani attends a meeting with a group of Foreign Ministry officials in Tehran on Sunday. Rouhani warned President Donald Trump against provoking his country while indicating peace between the two nations might still be possible.
Iranian Presidency Office via AP
Iranian Vice President Ishak Cihangiri delivers a speech during the commemoration ceremony of former Iranian President Ayatollah Hashemi Rafsanjani in Tehran on Jan. 8.
Anadolu Agency/Getty Images
Republican presidential candidates Sen. Ted Cruz of Texas and businessman Donald Trump greet each on stage at a rally on Capitol Hill to oppose the Iran nuclear agreement.
A woman looks on at the U.S. Capitol in 2013 after the most recent government shutdown. Congress has made no progress toward avoiding a government shutdown when it will run out of funding Sept. 30.
President Obama has reason to smile. He's now just three votes shy of being able to sustain a veto of a resolution of congressional disapproval of his Iran nuclear deal — that is, of being able to advance the deal over Republican objections.
Saul Loeb/AFP/Getty Images