In the last century, the United States has grown from 75 million people to 250 million. Have we gone too far? How can an optimum population be identified and achieved, and how can we confront the problems now facing our overcrowded country? The Negative Population Growth group put these questions to specialists on the environment, food and energy supplies, urban issues, national defense, labor and other areas directly affected by U.S. demographics. The result is Elephants in the Volkswagen--a unique, multifaceted examination of one of the most pervasive and controversial issues facing our nation's policymakers.