Leaders attending the Group of 20 summit in Pittsburgh will seek to forge agreements to buoy a global economic recovery and repair financial imbalances that contributed to the recession.

Iran’s nuclear program is believed to have steadily progressed, despite sharply increased concerns over its intentions and sanctions over its lack of transparency.

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.

One year into the U.S. State Department’s effort to transform foreign assistance programs, funding is up but criticism remains over the scope of the reforms.

Backgrounder: North Korea is the latest member of the world’s still-exclusive nuclear club. But other aspirants are waiting in the wings.