Only a handful of senators issued all-out denunciations of the agreement. Senator Tom Cotton of Arkansas, author of last month's letter to Ayatollah Khamenei, co-signed by 47 senators, seeking to undermine the talks, said, "There is no nuclear deal or framework with Iran; there is only a list of dangerous US concessions that will put Iran on the path to nuclear weapons."
Among Republican presidential candidates, by contrast, there was across-the-board condemnation of the Iran deal, with former Florida governor Jeb Bush calling it a "flawed agreement" that would "legitimize" Iran's nuclear capabilities. Wisconsin governor Scott Walker wrote on Twitter, "Obama's dangerous deal with Iran rewards an enemy, undermines our allies and threatens our safety." Senator Marco Rubio of Florida called it "just the latest example of this administration's farcical approach to Iran."
The leading Democratic presidential candidate, former Secretary of State Hillary Clinton, said in a statement: "The understanding that the major world powers have reached with Iran is an important step toward a comprehensive agreement that would prevent Iran from getting a nuclear weapon and strengthen the security of the United States, Israel and the region," adding that "diplomacy deserves a chance to succeed."
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