The talks Saturday between Iran and six major powers featured the most positive atmosphere in nearly a decade.
The purpose of these talks – coming after a 15-month hiatus since the failed meeting in January 2011 – was limited to testing Iran's willingness to seriously engage over a nuclear program that has prompted an international crisis.
Both sides have reason to engage: Iran is feeling the pressure of increasingly Draconian sanctions that are damaging its economy, and wants to have them removed while easing the chances of an Israeli or American military strike.
And the so-called P5+1 (the United States, Russia, China, England, France, and Germany) represented by EU foreign policy chief Catherine Ashton, want to test Iran's own declarations rejecting nuclear weapons as a "sin," want limits on Iran's nuclear work and intrusive inspections, and to avoid a catastrophic war.
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