Despite eroding public support for the Iraq war, troop morale remains high. Experts warn that could change as U.S. forces get further bogged down in Iraq.

The U.S. Army is reorganizing to create smaller, more mobile units without sacrificing firepower. Some experts, however, wonder whether that aim addresses the lessons of Iraq.

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

The handoff of foreign policy responsibility from one U.S. presidential administration to another has proven risky in many cases. The next transition occurs at a time of extraordinary global challeng…