The Arab Spring severely weakened the narrative of Islamist extremists but they are now stirring anti-U.S. sentiments in fragile new democracies, says Mideast expert Ali Soufan.

Despite recent successes, unmanned drone strikes in Afghanistan and Pakistan remain a controversial tactic. CFR’s Micah Zenko says the Obama administration must shed new details on the "worst kept co…

William Chandler, senior policy analyst for energy and climate at the Carnegie Endowment for International Peace, says that emissions-trading programs have achieved mixed results and should be readju…

Key technical, political, and legal issues remain unresolved ahead of the UN climate talks in Cancun. CFR’s Michael Levi says the best outcome would be to firm up the Copenhagen Accord commitments on…

Gideon Rose is the managing editor of Foreign Affairs magazine. His recently-released book, How Did This Happen: Terrorism and the New War is a collection of essays from experts in the areas of inter…