SHANGHAI/TEHRAN -- Xi Jinping's pledge to help revive the stalled Iran nuclear deal is being cautiously welcomed by Washington, but observers warn that the Chinese leader's success could be "very limited" with Beijing-Tehran ties at a low ebb.
Iran tensions
Xi lacks diplomatic muscle on Iran nuclear talks: analysts
Chinese leader pledges to help kick-start stalled deal after meeting Raisi
Iranian President Ebrahim Raisi, right, walks with Chinese President Xi Jinping during a state visit to Beijing on Feb.14. © Xinhua/AP
Read Next
Latest on Iran tensions
