Bashar al-Assad, whose regime looked shaky under international pressure last year, is consolidating his power and cracking down on dissent. Despite a UN probe linking Syrian officials to the assassin…

Efforts to stabilize and pacify the Middle East conflict with UN and multinational peacekeeping forces have proven difficult—if not impossible. A look at the history of such efforts.

New screening measures at U.S. airports are being called overly intrusive by some passengers and civil rights groups. National security experts advise using a system that relies more on intelligence,…