A third of a century ago, E. F. Schumacher rang out a timely warning against the idolatry of giantism with his book Small Is Beautiful. Schumacher, a highly respected economist and adviser to third-world governments, broke ranks with the accepted wisdom of his peers to warn of impending calamity if rampant consumerism, technological dynamism, and economic expansionism were not checked by human and environmental considerations. Joseph...