[dropcap]E[/dropcap]nterprising entrepreneurs out there might want to invest in a fleet of tractor backhoes and partial ownership of a limestone quarry, because it’s starting to look like bunker-digging time in America. The threat of nuclear war is spiking like the needle of a meat thermometer on a lava-flow.

It won’t be long before all the Marts; K, Wal, Quickie and the rest, start advertising red, white and blue specials on duct tape and plastic wrap. Survivalist sales. Civilization...