The preeminent military historian of the Mexican Revolution, Joe Lee Janssens, has gone into the National Archives to review the U.S. Army's declassified Mexico File 5761.Informed by his extensive knowledge of the primary literature, and based on information from archives on both sides of the border, including the Mexican National Defense Archive, Dr. Janssens has judged the character and quality of the intelligence produced by the U.S. Army from...