This editorial in the Washington Post describes joining Russia in joint action in Syria and Iraq as a dangerous policy for the U.S., for several reasons. The main being that Russia has been the obstacle to peace in the region because of the way all Sunnis in the Muslim world now see Russian actions as leading to millions of refugees and the prolonged war. It also says Russian forces are not effective in the current campaign. It cites Secretary of State Kerry's comments about Sunni perceptions of Russia's role.