The countries outside of the Nuclear Nonproliferation Treaty--North Korea, Pakistan, India, and Israel--present a significant challenge for U.S. diplomacy and efforts to restrain the spread of nuclea…

International actors are redoubling efforts to restore Afghanistan’s agriculture sector and weaken the massive opium trade that helps fund the Taliban. But competing strategies and corruption could s…

Iran’s alleged meddling in Iraq and Afghanistan and its defiance of orders to halt uranium enrichment have drawn sharp criticism from the west. Amid the rhetoric some analysts and policy makers conti…

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,…

The Obama administration says its 2009 stimulus package saved jobs and boosted growth, but Republicans and some economists worry it dampened consumer and business spending and added to long-term debt.