The U.S. Army is reorganizing to create smaller, more mobile units without sacrificing firepower. Some experts, however, wonder whether that aim addresses the lessons of Iraq.

As military leaders in Washington revise their war strategy for Afghanistan, analysts say enlisting Afghan tribesmen could aid in security. Others warn that what helped stabilize Iraq may play very d…

Lawmakers are considering sharp cuts to defense spending as part of mandated deficit-reduction efforts. This Backgrounder discusses the effects of such major cuts and implications for U.S. military s…

Trade accounts for an increasing portion of the U.S. economy, and the Obama administration has embraced a ramped up export strategy. But debate persists over the merits of a vigorous free trade agend…

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