Drones stall Russian advance near Lyman. Can they keep it up?

Russian troops are slowly moving toward the town of Lyman, but their supply lines are under constant attack. Ukrainian drones, known as "Fedorov's middle-strike drones," are throttling the flow of supplies behind the Russian push. The question now hanging over the city of Sloviansk is whether these drone strikes can continue. Their success depends on the man who leads them. If he is removed, the Russian advance could speed up. For now, the drones are buying time. But the plan remains fragile.