As American envoys prepared to shuttle between Kyiv and Moscow in search of a diplomatic opening, Russian drones struck the headquarters of Ukraine's intelligence service — a reminder that wars do not pause for diplomacy. The attack, part of a sustained aerial campaign against the Ukrainian capital, raised the oldest question in conflict resolution: whether violence is a prelude to negotiation or a substitute for it. The arrival of Steve Witkoff and Jared Kushner into this charged moment will test whether Washington can position itself as a credible intermediary between two sides still activel