Hundreds of Russian Shaheds are descending on Ukraine in the daytime, signaling a new kind of warfare A Ukrainian prepares a P1-Sun interceptor drone ahead of incoming Shahed attacks. Pierre Crom/Getty Images Instead of attacking with Shaheds at night, Russia is now trying dayslong strike campaigns. This week, Ukraine said it was attacked with over 1,500 drones and 50 missiles for two straight days. Two analysts studying Shahed warfare said it's an early sign of a new tactic aimed at wearing Ukraine down. For Ukrainian cities, the last two days have been a near-constant barrage of drones and missile strikes, culminating in Russia's largest and most unrelenting long-range attack in the war so far. It's another major episode in a new style of Russian drone warfare emerging in the last few months.…