In the 1950s, when Moishe Sonenreich first set foot in Colorado, he saw a future in real estate. It started small; he bought a duplex and lived on one side while renting the other out. Later, he tried his hand at buying and operating motels, a tough business. By the '80s, when his son, Izzy, joined the family business, he was tipped off to the future of warehousing. At the time, it was the “butt-end” of real estate, according to his...