What to do to deter a Russian invasion of Ukraine—and what to do if deterrence fails.

Brent Scowcroft, a model national security adviser, taught us much about U.S. foreign policy

The United States has dialed down both its presence and role in a region that it has dominated for nearly a half-century.

Salih and Abdul-Mahdi are capable politicians in a nation that desperately needs that, at a time when progress seems possible.