At Wednesday's hearing Senators contemplated war and accused administration officials of capitulating.
Obama administration officials argued that the new agreement is not about "trusting" Iran.
With or without the nuclear deal, the Iranian mullahs must be prevented from spreading terror.
The isolated country marked the 62nd anniversary of the signing of the Korean War armistice with anti-American rhetoric.
The Iran deal offers a chance for the West to engage with the countries of the South Caucasus.
Fresh from their victory in the Iran nuclear deal, Europeans start clamoring for an Israeli-Palestinian deal.
The Israeli premier's strident alarmism has failed to offer an alternative that would improve Israel's safety.
The pro-Israel Democrat's political future may hinge on how he votes on the Iran nuclear accord.
The Iran nuke deal must not lead to dropping our guard against the Russian nuclear threat.
Will the deal change the nature of the Iranian regime? We will find out in ten years—which may be too late.
Obama appeared for his last time as president with comedian Jon Stewart on 'The Daily Show.'
Despite the deal, Iran will not change its anti-Western foreign policy.
In return for lifting U.S., EU and U.N. sanctions, Iran will be subjected to long-term curbs on a nuclear program.
The battle may determine the fate of the president's signature foreign policy achievement.
To renege on the agreement would damage the U.S.'s credibility and its future capacity to act.
With the Greek and Iranian deals done, the hard work begins.
The deal will not produce an Iranian epiphany about the horrific consequences of helping Bashar Al Assad.
The president repeatedly stressed that the agreement has multiple safeguards to prevent Iran from attaining a nuclear weapon.
Iran has hanged more than 650 people already this year and is one of the world's largest prisons for journalists and bloggers.
"The strange inspection arrangement in the agreement will allow the Iranians to lie and cheat."