Michael Stravato for The New York Times John O. Greer is an architecture teacher at Texas A&M University. But when a couple of researchers sat down and talked with him recently, they were less interested in what he said than in how he said it. COLLEGE STATION, Tex. — "Are yew jus' tryin' to git me to talk, is that the ah-deah?" That was the idea. John O. Greer, an architecture teacher at Texas A&M University, sat at his dining table between two interrogators and their tape recorder. They had precisely 258 questions for him. But it waddn what...