Capitol Hill. Photo: Wiki Commons.

Israel Hayom – Twenty-three U.S. senators kept the spotlight on Iran nuclear negotiations on Saturday with a letter to U.S. President Barack Obama urging that he stand firm, after a second round of talks wound up in Vienna.

The letter from Democratic senators and one independent, was identical to one sent to Obama earlier this week by the House of Representatives, asking that he insist on a final agreement in which Iran would not be able to build or buy a nuclear weapon.

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