Prediction. Chapter © Chapter © Chapter © Keywords. Gray Rhinos. National security. Reader Discussion Guide. Why Read THE GRAY RHINO? We explore a new framework for business scenario planning that categorizes geopolitical risk in three ways: black swans, gray rhinos, and silver linings Filled with persuasive stories, real-world examples, and practical advice, The Gray Rhino is essential reading for managers, investors, planners, policy makers, and anyone who wants to understand how to profit by