Rev. Al Green, at home in Memphis, was not quite ready for his telephone interview. Apologetically, Rev. Green’s New York publicist explained that there would be a delay of approximately one hour, adding: “But it’ll be worth it!” At the appointed hour, the publicist begged for another hour and then, thirty minutes more. The afternoon was merging into evening. The voice that finally came on the line, barely audible, sounded like a very tired ve...