Supply chain experts say there is ample food in the system despite the initial surge in purchasing by consumers worried about coronavirus lockdowns. For shelf-stable products, there is at least eight to ten months’ worth of supply in warehouses; perishables are obviously less abundant. South Korea’s reported problem with perishables is product normally destined for shuttered restaurants now going to waste.  The larger problem in the industry is the logistics of moving supplies from warehouses to stores. It is mostly third-party delivery companies and they are concurrently burdened with a surge in online shopping for most goods. Another problem emerging is labor shortages affecting growing, harvesting, processing and distri...