The Syrian opposition cast doubt on whether it would go to peace talks planned for Friday, throwing U.N. diplomatic efforts into question and accusing the United States of adopting Iranian and Russian ideas for solving the conflict. The Saudi-backed opposition was meeting on Tuesday to decide whether to attend the talks which U.N. envoy Staffan de Mistura aims to open in Geneva on Friday, ushering in months of negotiations with delegates in separate rooms. Opposition official Asaad al-Zoubi told Arabic news channel Al-Hadath that he was pessimistic, though the final decision would be taken at the opposition meeting in Riyadh. De Mistura was expected to issue invitations on Tuesday. “It’s going to be very low-key proximity […]