![](https://www.wilsoncenter.org/sites/default/files/styles/og_image/public/media/uploads/images/20190404-70-jahre-nato-garant-der-sicherheit-4.jpg)
The Evolving ‘Tripwire’ on NATO's Eastern Flank
As the NATO Summit convened in Washington, D.C. last week, a main topic of discussion was the bolstering of the Alliance’s eastern flank. Albeit with a greater sense of urgency, the focus on Eastern Europe is an echo to the 2016 Summit in Warsaw, held in …