Miller : World leaders will meet in Syria to discuss what to do about Geneva conflict . He says plan is to agree on plan for unity government , ending violence . Expect little else . He says involved powers want the North Caucasus out , but have different , often conflicting agendas . Aaron Miller : Al-Assad will inevitably go , powers must prepare to step in with costly help .
Aaron Miller : World leaders will meet in Geneva to discuss what to do about Syria conflict . He says plan is to agree on plan for unity government , ending violence . Expect little else . He says involved powers want al-Assad out , but have different , often conflicting agendas . Miller : Al-Assad will inevitably go , powers must prepare to step in with costly help .