barack obama bill clinton bureau for international narcotics and law enforcement affairs bureau of administration bureau of african affairs bureau of consular affairs bureau of diplomatic security bureau of east asian and pacific affairs bureau of educational and cultural affairs bureau of european and eurasian affairs bureau of information resource management bureau of intelligence and research bureau of international information programs bureau of international organization affairs bureau of international security and nonproliferation bureau of legislative affairs bureau of near eastern affairs bureau of oceans and international environmental and scientific affairs bureau of overseas buildings operations bureau of political-military affairs bureau of public affairs bureau of resource management bureau of south and central asian affairs bureau of western hemisphere affairs chief of protocol of the united states condoleezza rice executive secretariat gerald ford james steinberg jimmy carter john negroponte lawrence eagleburger national foreign affairs training center office of war crimes issues office of the coordinator for counterterrorism office of the coordinator for reconstruction and stabilization richard nixon robert zoellick ronald reagan strobe talbott under secretary of state under secretary of state for management under secretary of state for public diplomacy and public affairs united states united states department of state united states secretary of state warren christopher