U.S. global warming policy undermines the geopolitical advances it's making on Beijing.

The Pentagon's new Arctic strategy isn't enough to counter Russia and China.

For decades U.S. politicians and analysts told us economic growth in China would spur liberalism. Denying that fact could lead to more big mistakes.

By shattering outdated norms, the U.S. president has set up his successor to be a transformational figure.

"Horizontal escalation" is a new strategy to shift a war to the enemy's weak spots. Unfortunately, it won't work on its own.

Bringing the troops home is a laudable goal — if you have a plan to do it in a way that doesn't harm national security.

There is an epochal paradox at the center of the Iran crisis.

If China really is the new focus of Western security, why is Trump picking fights in the Middle East?

The post-Cold War idea of winning on two fronts gives way to the realities of great power competition.

Ever since the massacre, Beijing has pushed authoritarianism at home and abroad.