Under growing pressure from Washington, China on Thursday stuck to calls to defuse the Iran nuclear row through diplomacy and said it disapproved of using sanctions in international disputes. U.S. Deputy Secretary of State Robert Zoellick of State said on Wednesday that China’s handling of the deepening dispute over Iran’s nuclear activities — which Washington and EU powers say are pitched toward reaching the ability to make atomic weapons — would be a “critical” test of China-U.S. ties. Full Story