The third and latest volume of Paul Rahe’s history of classical Sparta attempts to shed new light on a period and a city-state of which we still know little.

Why revisionist powers in decline may pose an even greater threat than those on the rise.

Thomas Wright’s book from last year correctly diagnosed our foreign policy predicament. The extent to which his prescriptions are unworkable in the Age of Trump tells us even more.

The chatter that passes for foreign policy debate these days is not happening at the level of grand strategy, and fails to look broadly at the circumstances the United States finds itself in.

American grand strategy in the post-Cold War era.

Russia just inked a major energy deal with the Assad regime that will allow it to explore offshore oil and gas fields in Syria. Obama’s “Smart Diplomacy” strategy in the Middle East is paying dividends—just not for the US.

There are many similarities between our period and the pre-WWI system: widespread belief in the peaceful powers of globalization mixed with ineffective leaders; geopolitical grappling; rising nationalism; and instability in smaller countries that are “clients” of larger powers. Geopolitics is back, and we need to re-learn how to think strategically about engaging whole nations in a global power struggle.

For the first time since the Cold War, the United States is going to have to adopt a coherent Eurasian strategy that integrates European, Middle Eastern, South Asian and East Asian policy into a comprehensive design.