Who is Taking Over as McCain's Chief Economic Adviser?

According to Newsweek, Doug Holtz-Eakin has left his job as McCain's chief economic adviser to be Palin's domestic policy adviser. So which of those sitting on McCain's economic policy adviser backbench are stepping up to man the helm? Does this mean that Phil "you're all a bunch of whiners" Gramm is running the show? Maybe an enterprising journalist should ask.