The Greatest Obstacle to Discovery is Not Ignorance – It is the Illusion of Knowledge”1   Our local high school, Adlai E. Stevenson, of Lincolnshire, IL, is one of the highest-rated secondary schools in Illinois.  This is because the administration stresses academic excellence and produces many national merit scholars. Both of my children attended Stevenson High School in the late 1980s and 1990s.  During this time, I had the opportunity to talk with Deputy Sheriff Perry Coleman of the Lake County (IL) Sheriff’s Department. We discussed many topics, including the illegal drug problem that was plaguing many high schools.  The Stevenson Superintendent declared that...