Secretary of State Hillary Clinton, a senator and former First Lady, has offered a tough pragmatism on national security matters and called for reviving U.S. credibility in the world.

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…

The G20 meetings in Toronto will be marked by competing agendas on global growth and financial regulations. This Backgrounder looks at the range of policy concerns.

The Obama administration says its 2009 stimulus package saved jobs and boosted growth, but Republicans and some economists worry it dampened consumer and business spending and added to long-term debt.

Foreign governments, non-state actors, and criminal networks are targeting the digital networks of the United States with increasing frequency and sophistication. U.S. cybersecurity has made progress…