He assailed Obama for failure “to stand with our unshakeable ally, the nation of Israel.”
Engaging with third parties over Iraq, Clinton said, should be “carefully thought through.”
The Foreign Relations chairman said he was "not optimistic" as talks resume in Vienna.
A State Department official said the two countries had a brief talk in Geneva.
Senate Dems face a dilemma over whether to press for new sanctions.
Cruz slammed Obama's stance on Iran, calling it the "gravest national security threat."
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Hillary Clinton puts hopes for a final deal at less than 50-50.
Susan Rice said security cooperation had reach "unprecedented levels" under Obama.
Legislation to bar Iran's ambassador to the U.N. sets up a political quandary.
Senators said sanctions should be reinstated if Iran violates deal.
The senators say Iran's new ambassador was involved in the Iran hostage crisis.
The Speaker said there was "more than one step" to stabilizing Iraq.
"Any permanent sanctions relief demands congressional approval," they say.
A full-fledged national debate is emerging on the question.
McCain said Iran would "make the situation dramatically worse."
Negotiations will take place weeks ahead of a July 20 deadline.
An Iranian judge wants Mark Zuckerberg to answer privacy questions.
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Iranian officer claims drone will "soon take a test flight.”
Congress has passed legislation to prevent the diplomat from entering the country.
The legislation would allow the president to deny a visa to Iran’s new UN ambassador.
House Republicans on Tuesday proposed legislation aimed at blocking Iran's new ambassador to the...
Some U.S. officials believe it could be blown up for propaganda.