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.