"Bac Si," which is Vietnamese for Doctor, takes the reader on a journey from innocence, into the jungles of Viet Nam, and back to innocence. In 1968, the United States Army conducted tests using LSD on volunteers, to determine how long a subject being interrogated, could "hold out" under the influence of the drug. Could this interrogation technique weaken the will of prisoners being questioned about military intelligence matters. Over 4 decades later,...