![](https://m.wsj.net/video/20190201/013119rusmissile1/013119rusmissile1_167x94.jpg)
In 1987, the U.S. and Russia signed a nuclear-arms treaty banning land-based missiles capable of flying 300 to 3,400 miles. WSJ’s Shelby Holliday explains why the landmark agreement is now on the brink of collapse. Photo Illustration: Laura Kammermann