The fall of the Berlin Wall 20 years ago marked a triumph of the U.S. strategy of containment. But U.S. policymakers have been struggling to establish new guidelines for confronting the world’s compl…

CFR’s Edward Alden says U.S. response to recent air-security failures should be to improve existing measures that identify genuine threats instead of imposing "knee-jerk initiatives that look tough" …

Arizona’s new immigration law is unwise, unworkable, and probably unconstitutional. And who’s to blame? Actually, the rest of the country, writes CFR’s Edward Alden.

China is unlikely to exert more pressure on North Korea, so Washington should redirect its own role in brokering inter-Korean peace and engaging Pyongyang, says CFR’s Nicole E. Lewis.

The new U.S.-Korea Free Trade Agreement has the potential to measurably spur the economy and reassure a top U.S. ally, but President Obama needs to take firmer steps to boost a flagging trade agenda,…