Kori Schake explains why the long-term destabilizing effects of the Iran deal likely offset its short-term benefits, and gives advice on how the next president should handle the potential danger.

Tom Donnelly describes how the U.S.'s nuclear deal with Iran opened for the door for the regime in Tehran to strengthen its position in the region and the world.

Ralph Peters warns that the willpower and resolve of Islamic terrorists counterbalance's the West’s material and financial advantages.

Military and diplomatic historian Williamson Murray explains why terrorist attacks on the West have grown smaller in scope since 9/11 — but warns of nightmare scenarios that may still remain on the horizon.

On the fifteenth anniversary of the 9/11 attacks, Peter Mansoor reflects on America's subsequent war on terrorism ... And on what must be done to ultimately emerge victorious.

Tom Donnelly lays out the first principles of military readiness and analyzes whether America is prepared for the foreign policy challenges ahead.

Admiral James Ellis describes the principles that are needed to keep America secure at a time of geopolitical uncertainty.

Kori Schake examines the variables that will determine whether the nuclear deal with Iran pushes the country towards radicalism or reconciliation.

Angelo Codevilla examines the fallout from the Iranian nuclear deal and predicts how it will affect America national security in the future.

Mark Moyar looks at how ISIS fits into the broader history of terrorism, and examines what it’s ambitions for a caliphate mean for American national security.

Raymond Ibrahim explains how Islamic history and theology have influenced the development of ISIS.

Angelo Codevilla argues that arms control agreements have little practical worth and that the recent agreement with Iran will actually aid Tehran’s pursuit of a nuclear weapon.

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.

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 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.

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.

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.

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.

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.Victor Davis Hanson

Angelo Codevilla chronicles the history of America’s uncertain posture toward Russia and Ukraine, analyzes the scope of Vladimir Putin’s ambition, and proposes a Western policy response to deter further aggression from Moscow.Angelo Codevilla

Joshua Muravchik explains why radical Islam can’t be combated without a clearer understanding of its underlying principles.

Retired colonel Joseph Felter argues that Western efforts to combat the scourge of radical Islam have focused too much on symptoms and not enough on root causes.

Angelo Codevilla explains the strategic ambitions of China and what it means for the futures of Japan and the United States. (Playing time: 14:51)

The Joint Special Operations University’s Mark Moyar describes a hostile but stable relationship between Japan and China—and examines what the United States can do to keep the peace.

The Joint Special Operations University’s Mark Moyar describes a hostile but stable relationship between Japan and China—and examines what the United States can do to keep the peace.

Historian Andrew Roberts analyzes the Israel-Palestinian conflict in the context of other prolonged struggles throughout world history and explains why an unhappy equilibrium is likely to continue for the foreseeable future.

Kori Schake examines why previous efforts to stem fighting between Israelis and Palestinians have failed, how the trend could be reversed, and what challenges continue to face would-be peacemakers.

Thomas Henriksen looks to Israeli history for lessons about how insurgent efforts in Gaza can be snuffed out and how the region can move closer to peace.

Edward Luttwak of the Hoover Institution's Military History Working Group describes the historical context behind ISIS's desire to establish a caliphate and explains its implications for Western policy makers.

The terror group ISIS wants to establish a caliphate. But can they govern conquered territory without turning local populations against them? Hoover's Mark Moyar provides his analysis.

Now that ISIS controls parts of Syria and Iraq, what can be done to prevent the expansion of its power in the Middle East? How much of a threat does it present to the West? How should the United States respond? Hoover's Peter Mansoor provides his analysis.

Angelo Codevilla looks to ancient Greece and Rome to understand what influence cuts to the US military will have on the future of American strategy.

Kiron Skinner examines how the Obama administration's cuts to military spending will affect America's role in the Middle East, Asia, and Europe.

Josef Joffe presents three categories of nuclear states, all with different sets of motivations and examines why major nations such as Japan, South Korea, and Germany have avoided the nuclear temptation.

Josiah Bunting III explains why we haven't seen nuclear weapons used since Hiroshima and Nagasaki, nearly seventy years ago and why we shouldnÕt expect another seven decades of nuclear forbearance.

Williamson Murray examines the prospects for nuclear proliferation in Europe, Asia, and the Middle East and considers the implications for global security.

Fred Kagan analyzes whether advances in military technology will upend the way we fight wars or simply conform to preexisting dynamics of armed conflict.

Peter Mansoor argues that innovations such as drones, cyberwarfare, and satellites aren't the game-changers they're often made out to be Ñ and contends that there could be dire consequences if their proponents fail to realize their limitations.

Andrew Roberts looks at how predictions of the effect of technology on warfare have constantly come up short - and what the implications are for modern Western powers.

Ralph Peters analyzes Vladimir Putin's recent aggression towards Ukraine and explains how the Russian president's actions fly in the face of many of the most cherished beliefs of western policy leaders.

Thomas Donnelly explains why resisting Russian expansion into Ukraine is an American security interest, examines whether Vladimir Putin's ambitions will continue to grow, and makes recommendations for an American response.

Kori Schake explains how the history of Ukraine informs the current impasse with Russia, how the present conflict is likely to play out, and what the implications are for the future.

Bing West looks at the failures of American strategy during the war in Afghanistan Ñ from nation-building and counterinsurgency to efforts to defeat the Taliban Ñ and provides recommendations for what can be done to avert total disaster in the country.

Former Israeli Ambassador to the United States Itamar Rabinovich provides a guided tour of the threats facing Israel from throughout the Middle East.