Businesses dependent on the physical supply chain — the network of facilities and transportation systems used to move materials from one location to another — face a number of challenges, from staff shortages to increasing customer expectations. The pressures aren’t easing up. According to a survey from Prologis, a real estate investment trust, two-thirds of executives say that they’re losing sleep over supply chain-related problems. Barry Conlon and David Broe ran into some of these stressors t...