At five-and-a-half feet tall, with brown hair, brown eyes and a beard, I can walk unnoticed in great big chunks of the world. On the streets of Lima and Mexico City, throughout the Mediterranean, across North Africa to the…

I spent last week in northeastern China zipping around on new superhighways, passing millions of newly planted trees, new rail lines and massive train stations, enormous shopping malls, and skyscrapers -- all amid a people working, working, working.