David and Terry Knight once lived a normal middle-class life in Lawrenceville. Two of their children attended Grayson Elementary, two attended McConnell Middle and one was in South Gwinnett High School. In 1999, as the Gwinnett County school district prepared to implement its own specially designed standardized test, the Knights got involved, as good citizens should. In their case, they joined the Concerned Parents of Gwinnett, which opposed the Gateway test. CPOG quickly became a thorn in the side of the Gwinnett school board and its superintendent, J. Alvin Wilbanks. Wilbanks in particular seemed intent on using Gateway to establish...