The prospect of regime change or even state collapse in Yemen undermines the entire basis of U.S. counter-terrorism operations and brings to the fore the danger posed by al Qaeda in the Arabian Peninsula, a group that has already attempted multiple attacks on U.S. soil.

A total of 15 different U.S. food and nutrition programs (FANPs) serve about one in four Americans at a current annual cost of almost $100 billion. Can the government actually improve our personal eating habits? Are these billions of dollars well-spent?

U.S. forces must drive out the Haqqani Network-- al Qaeda's allies-- and set conditions in which Afghan troops can hold.

We are not in a cold war with China. That is too simple a metaphor to describe the state of Sino-American relations.

Although Russian president Vladimir Putin was the first foreign leader to offer President George W. Bush unqualified support in the War on Terror in the wake of the September 11 attacks, U.S.-Russian relations have deteriorated badly in the past five years. With disagreements on Iran, the Middle East, the democratic...

Ask Americans what they think the First Amendment protects, and they will tell you “freedom of speech.”  But few will think of the amendment’s third protection: “freedom of assembly.” In his provocative new book, “Liberty’s Refuge, The Forgotten Freedom of Assembly,” Washington University School of Law professor John Inazu implores Americans to keep in mind the importance of this protection.

AEI defense expert Mackenzie Eaglen testifies before the oversight subcomittee of the House Armed Services Committee about how the US Navy's shipbuilding plan will critically downsize the size of the Navy at the same time that the demands on it are growing.