Doug Bandow is a senior fellow at the Cato Institute, where he specializes in foreign policy and civil liberties. In the article below, he promotes economic liberty (a.k.a. capitalism) as a means by which the least of these can benefit. On the cusp of Congress passing a major tax overhaul, regardless of your politics, there is a lot of discussion about economics.We live in a world of exploding opportunities and growing challenges. New technologies are transforming our lives. Despite intermittent economic and financial crises, residents of the West live better than any other people at any other point in human history. Many people in the East, and increasingly in Latin America and Africa as well, are joining them.