Complete Index

Climate change is a serious security risk, say retired generals, including an ex-army chief of staff and a former commander of U.S. Central Command.

Iranian President Ahmadinejad styles the release of the servicemen as a "gift"; Blair defends his country’s refusal to negotiate.

House Speaker Nancy Pelosi carries a message from Israel to Syria, prompting critics to accuse her of undermining U.S. foreign policy.

The U.S. Supreme Court has ruled that the Environmental Protection Agency has the authority to regulate automobile greenhouse gas emissions, potentially giving states the right to sue the agency if it fails to act.