On Juneteenth, I watched Doug Jones, the Democratic nominee for Alabama governor, deliver a speech at the Scottsboro Boys Museum, in the northeastern corner of the state. I found myself thinking of the 1960s civil-rights rallies that I’d covered as a young reporter, and that many of the older Alabamians in the packed venue had attended. A former U.S. attorney who served three years in the Senate, Jones is a master of the old-time Bama stem-winder in settings such as the 150-year-old Black church