The last time Ukraine signed a peace accord with Russia, 10 years ago, it brought only sporadic violence, mounting distrust, and eventually full-scale war. Here’s what we can learn from that history.

Russia's Defense Ministry says its forces have driven the Ukrainian army out of the biggest town in Russia’s Kursk border region, as U.S. officials sought the Kremlin’s response to a proposed 30-day ceasefire in the three-year that Ukraine