Amid Defense Buildup, NATO Summit Returns To Its Cold War Roots

Tomorrow in Warsaw, Poland, the world's most powerful military alliance will have something of a reset.

In recent years, the North Atlantic Treaty Organization has been involved in conflicts well beyond Europe's borders, in places like Libya and Afghanistan. Along with a buildup of defenses against Russia, tomorrow's NATO summit — which President Obama will be attending — marks a return to NATO's Cold War origins. NPR's David Welna reports.

David Welna, NPR's national security correspondent. He tweets @dwelna.