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.
This segment aired on July 7, 2016.