The groundwork for talks was laid when Clinton was US Secretary of State and she had not commented recently on the negotiations as she seeks the Democratic Party nomination to run in the November 2016 Presidential elections.

"I so hope that we are able to get a deal in the next week that puts a lid on Iran's nuclear weapons program," Clinton told a rally on the Dartmouth College campus in Hanover, New Hampshire. She said that even if a deal were reached, there would be more work to be done. Iran is in talks with the United States and five other powers - Britain, China, France, Germany and Russia - on an agreement to curtail its nuclear program in exchange for relief from economic sanctions.

A self-imposed June 30 deadline passed without a deal and negotiations continue in Vienna, with a new July 7 target date. Republican Presidential candidates and Republican lawmakers have been critical of the negotiations, saying the administration of President Barack Obama, a Democrat, has made too many concessions to Iran.

The administration has also come under pressure from Israel not to make a deal with Tehran. Israel's Opposition could influence the way Jewish voters in United States contribute to campaigns and also vote in the elections. The Republican-led US Congress will review any final deal, with congressionally mandated sanctions remaining in place if the House and Senate disapprove.

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