Russian Foreign Minister Sergey Lavrov (left) welcomes a delegation headed by Abdulbaset Sieda (right), a leader of the Syrian National Council (SNC), in Moscow, on Wednesday. Afterward, Mr. Sieda said he saw "no change" in Moscow's stance. (Associated Press)

Russian Foreign Minister Sergey Lavrov (left) welcomes a delegation headed by Abdulbaset Sieda (right), a leader of the Syrian National Council (SNC), in Moscow, on Wednesday. Afterward, Mr. Sieda said he saw "no change" in Moscow's stance. (Associated Press)