Only decisive action can stop Iran from acquiring nuclear weapons.

For almost a third of a century, the Islamic Republic of Iran has confounded American presidents. It has taken hostages, conducted terrorism, undermined the Middle East peace process, and worked unrelentingly to become a nuclear power and develop missiles with global reach.

Is it too audacious to hope that Obama's assertion that "evil does exist in the world" and his emphasis on human rights signal a U-turn in a foreign policy?

With each passing day the military option becomes less viable.

This essay describes an approach for designing antitrust rules for assessing whether firms have engaged in anticompetitive unilateral practices.

Syria refuses to give up its support of terrorist organizations despite encouragement from the Obama administration to do so, and it remains a destabilizing and dangerous force in the region.

What would the Democrats do?

President George W. Bush has made America more secure since 9/11.