Can world powers make common cause against Isis?

France has been courting US and Russian support for a war on Isis in the wake of the Paris terror attacks. But while Russia and Turkey, a Nato member, claim to be fighting the same foe, they themselves saw armed combat this week when Turkey shot down a Russian jet on its border with Syria. Mark Vandevelde asks Gideon Rachman and Geoff Dyer whether world powers are capable of making common cause against Isis. Hosted on Acast. See acast.com/privacy for more information.