Why Ukraine Invaded Russia For First Time In Conflict

Ukraine’s lightning intervention into Russian territory shows that a war apparently stuck in a prolonged stalemate can still produce surprises. More than a week after the assault on Russia’s western Kursk region began, Ukrainian troops appeared to be holding areas they had seized. It’s an embarrassment for Russian President Vladimir Putin who, having failed to topple the leadership in Kyiv in more than two years of intense fighting, is now grappling with the first foreign invasion of his country