By Bruce Stokes, Director of Global Economic Attitudes, Pew Research Center

Special to CNN

As American, European, Russian, Chinese and Iranian negotiators jockey in Geneva over ending the West’s economic sanctions on Tehran in return for a dismantling of Iran’s nuclear weapons program, European and U.S. publics are sending negotiators on both sides a clear message: they oppose Iran having nuclear armaments. They agree on the current imposition of economic sanctions. And they generally support the use of military force if sanctions fail. The Chinese and Russian publics, though, dissent.

At a time when people on both sides of the Atlantic have turned critical of the Afghan War and have recoiled from involvement in Syria’s civil war, there is relative cohesion on Iran in both Europe and the United States. Indeed, there are some signs such solidarity may be strengthening. Yet although Iranian negotiators in Geneva will find little daylight between the American and European publics that they can exploit, differences between transatlantic views and those held by the Chinese and Russian publics may yet prove critical in the talks.

Read more at CNN’s Global Public Square blog