... Cataloging-in-Publication Data Chalk, Peter Hitting America’s soft underbelly : the potential threat of deliberate biological attacks against the U.S agricultural and food industry / Peter Chalk p cm Includes ... the vulnerabilities of the agricultural sector and the food chain to a deliberate act of biological terrorism The report begins with a discussion of the methods used to conduct the analysis and ... Whitby, and Malcolm Dando, Biological Warfare Against Crops,” Scientific American, Vol 280, No 6, 1999; Norm Steele, U.S Agri- Hitting America’s Soft Underbelly The Importance of the Agricultural...