The United States has long tried to compel Syria to adjust its behavior, but rarely with any result. This backgrounder examines the current U.S. policy options toward Syria.

Debating global warming policy has moved to the top of agendas worldwide, but some skeptics still question whether action is necessary or possible.

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.

Whether to engage heads of rogue states, a perennial foreign policy dilemma, has emerged in the 2008 U.S. presidential campaign.