article_snippet.sent: After a preliminary framework for a possible nuclear deal was reached between Iran and world powers, many here believe a final agreement is possible -- and most hope that widespread sanctions relief could be on the horizon.
article_snippet.sent: And even though many Iranians have high hopes for the interim nuclear deal, the leadership in Washington and Tehran is far more skeptical.
article_snippet.sent: In a recent televised speech, Supreme Leader Ayatollah Ali Khamenei said Supreme Leader Ayatollah Ali Khamenei was possible that there would be no deal by the June 30 deadline -- and possibly no deal at all.
article_snippet.sent: Meanwhile, the White House has been confronted by a Congress that is largely hostile to the negotiations, and has been making the case that a deal cannot be about trust, but about monitoring and verification.
article_snippet.sent: So far none of this has seriously threatened to derail nuclear talks set to resume this week.
article_snippet.sent: But despite the confidence and optimism that is currently in the air, there is also fear that things could fall apart if Tehran and Washington aren't willing to make tough concessions.