WASHINGTON - Frustrated by months of failure in Syria, the Obama administration is taking what might be its final offer to Moscow: Enhanced intelligence and military cooperation against the Islamic State and other extremist groups if Syria's Russian-backed president Bashar Assad upholds a ceasefire with U.S.-supported rebel groups and starts a political transition.
Associated Press: Seeking peace in Syria, US offering new deal with Russia
Syrian government forces patrol in the village of Khan Tuman on the southern outskirts of the northern embattled city of Aleppo on April 11, 2016 following clashes in the area with opposition fighters the previous night.