The Defense Science Board is at work on several new studies, including an analysis of chemical warfare defense issues and a look at precision weapons targeting, according to terms of reference obtained by InsideDefense.com . In a Jan. 2 memo to the chairman of the DSB, then acquisition chief Jacques Gansler directed the establishment of a task force to "assess the possibility of controlling the risk and consequences of a (chemical warfare) attack to acceptable national security levels within the...