BELGRADE: NATO's latest plan to stop Serbian aggression in Kosovo: an air show. The Western alliance's leaders met today to plan massive simulated air-attack exercises in neighboring Albania and Macedonia, as a warning to Serbia's President Milosevic to end his campaign against civilians in the predominantly ethnic-Albanian region. "The big question remains whether Western leaders have the political will to order real military strikes if their simulation fails to deter Milosevic," says TIME Central Europe bureau chief Massimo Calabresi.