US hopeful for new Russian cooperation on Syria

A US envoy voiced guarded optimism Thursday at renewing cooperation with Russia to seek an end to Syria's brutal civil war, assessing that Moscow is getting frustrated with President Bashar al-Assad."Russia may be more willing now -- we've seen some indications in the Russian media and in certain Russian actions -- to be more flexible on the constitutional committee," said James Jeffrey, the US pointman on Syria."Because it's very clear at this point to Russia that they're not going to get a mil