During the last ten years, FBI transformation and second microlocalization have been used by several authors to solve different problems in the theory of linear or nonlinear partial differential equations. The aim of this book is to give an introduction to these topics, in the spirit of the work ofSj strand, and to present their recent application to the propagation of conormal singularities for solutions of seminlinear hyperbolic equations, due to Lebeau. The text is quite self-contained and provides a useful entry to the subject and a bridging link to more specialized papers.

Testimony of David Walker, Comp. Gen. of the U.S. Following the 9/11 terrorist attacks, the FBI needed to refocus its efforts to investigate those attacks and to detect and prevent possible future attacks. To do this the FBI has taken steps to change its priorities and sought to transform itself to more effectively address the potential terrorist threats. This testimony addresses the FBI's: progress in updating its strategic plan; develop. of a strategic human capital plan; realign. of staff resources to priority areas; reallocation of staff resources from its drug prog.; efforts to recruit and hire new personnel to address critical staffing needs; efforts to enhance its training prog.; and implementation of new invest. authorities and to help protect individual civil liberties.

FBI Transformation: FBI Continues to Make Progress in Its Efforts to Transform and Address Priorities