General David Petraeus, fresh from his role in stabilizing Iraq, takes on what could be an even tougher assignment in a role that includes overseeing the US military in Afghanistan.
The soldier-scholar with a doctorate from Princeton University takes responsibility for a volatile swathe of the world that includes Afghanistan, Pakistan, Iraq, Iran and the Gulf.Deborah Lutterbeck reports.SOUNDBITES: John Nagl of the Center for a New American Security
William Keylor of Boston University
