Libya, for years a thorn in the side of U.S. policymakers, has boosted its profile in recent years, renouncing terrorism and abandoning its WMD. In response, the U.S. State Department has removed Lib…

A profile of the international terrorist network that the United States has singled out as the most serious threat to U.S. security.

Debating global warming policy has moved to the top of agendas worldwide, but some skeptics still question whether action is necessary or possible.