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…

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 .

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.

Backgrounder: Experts say more should be done to reduce risk on both passenger and freight rail.

Polls continue to show Democrats regaining control of at least one house of Congress in the November 7 elections. If this happens, they could exercise greater oversight of executive bodies and trade …