Nothing is more inspiring than a big vision that becomes a triumphant, new reality. Think of how Apple’s iPod went from a project with a single employee to an enormously successful product launch in eleven months. But they are the exception. Consider how London’s Crossrail project delivered five years late and billions overbudget. More modest endeavours, whether launching a small business, organizing a conference, or just finishing a work project on time, also commonly fail. Why?
Understandin...