Today marks exactly 26 years since NATO began its bombing campaign against what was then the Federal Republic of Yugoslavia. This may be one of the few facts on which both Serbs and Albanians can agree—along with the shared grief over their respective losses. For one side, it was an act of aggression against a sovereign European country, carried out without UN Security Council approval. For the other, it was a humanitarian intervention aimed at halting apartheid and genocide. NATO representatives justified the airstrikes, stating they were meant to prevent crimes committed by Milošević’s regime, a message they reiterated strongly...