Walter Russell Mead analyzes the strategic calculations underlying the nuclear deal for both President Obama and the Iranian regime.

Walter Russell Mead analyzes the strategic calculations underlying the nuclear deal for both President Obama and the Iranian regime.

Barry Strauss examines the historical track record of arms control agreements and what it means for America’s nuclear deal with Iran.

Barry Strauss examines the historical track record of arms control agreements and what it means for America’s nuclear deal with Iran.

Andrew Roberts considers the implications of military policies that increasingly value political correctness over the ability to fight and win wars.

Andrew Roberts considers the implications of military policies that increasingly value political correctness over the ability to fight and win wars.

Thomas Donnelly looks at how the U.S. military has made progress on race, gender, and sexual orientation without succumbing to the temptations of political correctness.

Thomas Donnelly looks at how the U.S. military has made progress on race, gender, and sexual orientation without succumbing to the temptations of political correctness.

Thomas Donnelly explains why the United States thought it could use technology as a substitute for military manpower — and how the effort came up short.

Thomas Donnelly explains why the United States thought it could use technology as a substitute for military manpower — and how the effort came up short.

Bing West explains how the American military’s history of self-criticism has been a key ingredient in its continued success — and how political and economic factors threaten to upend that dynamic.

Bing West explains how the American military’s history of self-criticism has been a key ingredient in its continued success — and how political and economic factors threaten to upend that dynamic.

Military historian Peter Mansoor explains the historical trajectory of NATO, how it adjusted after the demise of the Soviet Union, and why it will survive the current threats from Vladimir Putin’s Russia.

Military historian Peter Mansoor explains the historical trajectory of NATO, how it adjusted after the demise of the Soviet Union, and why it will survive the current threats from Vladimir Putin’s Russia.

Josef Joffe examines the decline in America’s willingness to preserve global order, the erosion of warrior culture in Europe, and what they mean for the future of international security.

Josef Joffe examines the decline in America’s willingness to preserve global order, the erosion of warrior culture in Europe, and what they mean for the future of international security.

Walter Russell Mead looks at the economic and strategic ramifications of the growth in US energy production.

Williamson Murray reflects on what the surge in US energy production will mean for US relations with Russia and the Middle East.

Williamson Murray reflects on what the surge in US energy production will mean for US relations with Russia and the Middle East.

Kori Schake looks at what the flowering of US energy resources means for the United States, the Middle East, Russia, and Venezuela.

Kori Schake looks at what the flowering of US energy resources means for the United States, the Middle East, Russia, and Venezuela.

Paul Gregory looks at the economic, diplomatic, and military options that the West can pursue to arrest Vladimir PutinÕs aggression.

Paul Gregory looks at the economic, diplomatic, and military options that the West can pursue to arrest Vladimir PutinÕs aggression.

Victor Davis Hanson looks at the motivations behind Vladimir Putin’s aggression in Ukraine, chronicles the shortcomings of the US response, and considers whether NATO is up to the challenge of an expansionist Moscow.