In the Economist, here
"...Some think him too close to Israel; a critical former State Department official has suggested that he was Israel’s lawyer in negotiations with the Palestinians, and he has lately hung his hat at a pro-Israel think-tank. Part of the delay may have revolved around his exact responsibilities and title. Rumour had it that he would be a “super-envoy” above all others in Middle East policy. That seems to have been overdone; he will instead be a “special adviser” for the Gulf and south-west Asia..."