Why Somalia failed, and why we should have known it would. Guarding against self-defeating uses of force.

Moving from a bipolar to a multipolar world: Coalition-building, diplomacy, and executive action.

To use a pessimistic but apt metaphor, ethnic conflict may be less like a common cold and more like AIDS—difficult to catch, but devastating once infected.

Talk loudly, and put down the big stick. There was a time for presidential control of foreign policy—and that time has passed.

Don’t stick to foolish consistencies. The times demand an ad hoc approach to foreign policy.