WE HAD TWO covers this week. In most of the world, we look at the rise of killer drones. The weapons, pioneered in Ukraine, offer precision warfare at scale and could one day become as dominant as artillery.

Leader: Killer drones pioneered in Ukraine are the weapons of the future
Science and technology: How cheap drones are transforming warfare in Ukraine

In Asia and America we consider China’s stockmarket nightmare. Xi Jinping’s skittish policymaking has knocked investors’ confidence, both at home and abroad. We ask whether China’s president can win them back.

Leaders: Can Xi Jinping win back the markets?
Briefing: China’s well-to-do are under assault from every side
China: As China’s markets crash, its consumers cower