If you ever wanted to know how many links connect you and the Pope, or why when the U.S. Federal Reserve Bank sneezes the global economy catches cold, read this book, writes John L. Casti (Santa Fe Institute). This cogent and engaging (The consequences of this new world view are profoundand at times disturbing.Finally, a readable, simple explanation of one of the most surprising rules of complex networks.[G]raceful, lucid, nontechnical and entertaining prose....A remarkable achievement.Buchanan peels away a veneer of complexity to reveal the simple scaffolding that holds our society together.As