Merely monitoring Iran's foray into Latin America is the very least the United States must now do to frustrate Teheran's plans to threaten U.S. security and interests close to home.

American policy toward Lebanon, Syria, and Hezbollah remains confused, despite a heightened awareness of terrorism and terrorist groups since 9/11, and it is now time to reassess the American relationship with Lebanon and the challenge posed by Hezbollah.

With the threat of a veto hanging over its head, the National Defense Authorization bill heads to the House floor today for debate. Among the provisions are several dealing with the question of a nuclear weapons armed Iran, and what the United States should do to avert a crisis, prepare to handle the threat, or eliminate the threat altogether.

Our relationship with Japan is indeed a cornerstone of the liberal international order that has marked the six decades since the end of the Second World War, and for that reason we should look forward to maintaining it for years to come.

The U.S. government must design and implement a new model for dealing with the real and likely danger in Yemen, and fast.

Under current law, the U.S. Department of Defense automatically faces significant spending cuts over the next 10 years—cuts that america's civilian and military leaders have cadidly described as "devastating" and "very high risk."

Instead of seeking greenhouse gas reductions, we need to foster resilience: the ability to withstand changes and bounce back from them.

China's military build-up is driven by domestic factors, the desire for national prestige, and the insecurity of the Chinese Communist Party.