 Support for NPR comes from NPR stations. Other contributors include Project Lead the Way, where they believe learning by doing helps every student in every grade be STEM successful. Learn more at pltw.org slash NPR. This is NPR. It's Morning Edition from NPR News. I'm Steve Inskeep. And I'm Layla Faudel. Coming up, we hear from the U.S. ambassador to NATO about the alliance's objective