Pakistan is key to success in U.S.-led  counterterrorism efforts, with its tribal areas serving as terrorist havens. But covert U.S. military actions inside Pakistan put the future of the U.S.-Pakist…

As U.S. lawmakers debate a cap-and-trade policy to combat climate change, experts say coal will continue to be a major part of the world’s energy mix, which will likely complicate efforts to curb gre…

Sen. Barack Obama’s foreign policy team includes former State Department veterans and newcomers from academia who seek to reinvigorate U.S. diplomacy.

A group of Islamist courts have seized power across much of Somalia. Many outside observers are anxiously watching—and interfering—as the power struggle plays out between the Islamists and the offici…