Who drives US foreign policy in the Obama era?

LR in the CABLE/fp, HERE

Secretary of State Hillary Clinton, Defense Secretary Robert Gates, Vice President Joseph Biden, and national security advisor Gen. James L. Jones, of course, are the Obama administration's foreign-policy heavyweights. But beneath the layer of cabinet secretaries, who are the most influential foreign-policy players on the team? The following is FP's list of the 10 administration officials who, according to existing reporting and with input from sources, are driving U.S. foreign policy in the Obama era (HERE)