Whether to engage heads of rogue states, a perennial foreign policy dilemma, has emerged in the 2008 U.S. presidential campaign.

The countries outside of the Nuclear Nonproliferation Treaty--North Korea, Pakistan, India, and Israel--present a significant challenge for U.S. diplomacy and efforts to restrain the spread of nuclea…

Loss of forests is a major contributor to greenhouse-gas emissions. Plans to devise a policy tool for using trees for carbon dioxide sequestration are now under way.

This publication is now archived. Are coalition forces closing in on Osama bin Laden?We don’t know. U.S. and Pakistani administration and military officials have announced stepped-up efforts to find …

The longstanding U.S.-South Korea alliance, created as a bulwark against a communist North Korea, has expanded to include tighter trade ties and cooperation on global issues from climate change to in…