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The Boston Globe

World

US, Iran at odds on what pact allows

Split on ‘right to enrich’; skepticism in Congress

GENEVA — The euphoria over the signing of a historic nuclear agreement with Iran gave way to sober realism Sunday as the parties clashed over a key element of the deal and congressional skeptics threatened to thwart it.

The Obama administration moved quickly to sell the agreement to nervous US allies, particularly Israel, and to persuade lawmakers not to push ahead with new economic sanctions that could prompt Iran to abandon the six-month freeze on its nuclear program.

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