Global support for the "responsibility to protect" doctrine weakened after the UN-endorsed no-fly zone that helped topple Libya’s regime, and debate continues over the threshold for mounting armed hu…

The election of pope to lead the world’s one billion Catholics stirs debate over the spiritual authority of the pontiff and the church’s role in the world.

Interest in natural gas is growing for political, environmental, and economic reasons. But the industry faces challenges to adding pipelines, increasing international LNG trade, and exploiting newly …