With South Africa, Nigeria, and Kenya all hobbled by varying degrees of instability and infighting, experts fear Africa lacks leadership for continent-wide security and economic initiatives.

Hundreds of thousands of Iraqi security personnel have received U.S.-led counterinsurgency training. But big questions remain over their readiness to replace U.S. forces.

Sen. John McCain’s Republican presidential campaign has a group of foreign policy advisers reflecting both realist and neoconservative views of the world.