Gen. David Petraeus’ assertions about falling casualties in Iraq are supported by a range of objective sources. But his testimony to Congress does not establish whether the decline is attributable to…

A recent trip to Syria by the Speaker of the House has set off a debate over the role of legislators in conducting foreign policy.

While some experts fault demand increases for record-high oil prices, others say production and market issues reflect price hikes are more complicated.

Public disapproval of the Iraq war is starting to create fissures among Republicans and posing challenges for Democrats seeking to balance national security and political gains .