Most Americans don’t realize it but the Mexican state is in serious trouble, and we won’t be able to ignore it for much longer. Video footage recently surfaced on Twitter showing C4 explosives being dropped by a drone near a town in Michoacán, Mexico, reportedly by members of the Jalisco New Generation Cartel, following hours of clashes between armed groups. In the video, a small explosion hits a woodland camp, a cluster of tents amid dense trees and dirt roads. Men scatter, running for cover. Another volley of explosives is released. When it hits, the camp erupts in flames. The...