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Source: Reuters -
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Senior Obama administration officials say the United States will not threaten Iran with sanctions over its nuclear programme at Geneva talks, but will be prepared to pursue them if necessary.
"This is the engagement track tomorrow, not the pressure track," one senior official says.
But the official says the US has been preparing "a range of areas" in which to pursue sanctions against Iran should Tehran ignore Western entreaties about its nuclear program.
"We've looked at various contexts in which they could be applied, whether it be at the United Nations Security Council level or with co-ordinated national measures among nations," the official says.
"And it's an ongoing project for us."
Six world powers are gathering in Switzerland for a meeting with Iran's chief nuclear negotiator.
Diplomats from some of the countries taking part - the US, Britain, France, Germany, Russia and China - say they hope the Iranians will engage in a constructive discussion on how to end the long-running standoff over Tehran's nuclear programme.
Iran says its nuclear programme is peaceful and has defied five UN Security Council resolutions demanding that it suspend all sensitive nuclear activities.
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