As talks in Vienna to revive the 2015 Iranian nuclear deal proceed in fits and starts, China is trying to position itself as a key player in the region, and for good cause: It is in Beijing's interest to push for the lifting of US sanctions on Iran, with which it has signed a historic bilateral partnership.
Talks to revive the 2005 Iranian nuclear deal are entering the tough stage of discussing substance. The Iranians set the scene before a weekend of consultations in Vienna, when Irna, the official Iranian news agency, declared that the parties had reached the "stage of details, the most difficult part of the negotiations".
