by Ilan Stavans and Joshua Ellison
Printed in the NY Times on July 7, 2012, http://opinionator.blogs.nytimes.com/2012/07/07/reclaiming-travel/
What compels us to leave home, to travel to other places? The great travel writer Bruce Chatwin described nomadism as an “inveterate impulse,” deeply rooted in our species. The relentless movement of the modern world bears this out: our relative prosperity has not turned us into a sedentary species. The World Tourism Organization, an agency of the United Nations, reported nearly a billion tourist arrivals in 2011. Some 200 million people are now living outside their country of birth.