An earlier edition of this extraordinarily prescient, elegantly written book created a sensation among Washington and media insiders when it was published more than five years ago under the title 'Demosclerosis. In it, Jonathan Rauch, a former correspondent for The Economist and a columnist for National Journal, showed with startling clarity the reasons why America's political system (and, in fact, other political systems as well) was becoming increasingly ineffective. Today, as Rauch's predictions continue to manifest themselves in a national politics of ''sound and fury'' and little effective legislation, and in increasing voter cynicism, this book has achieved renown as the classic and essential work on why politics and government don't work.