It was after midnight at the dawn of the 1960s. Donna Johnson was 3, her brother 1, her father gone. Her mother had sold everything — “knickknacks, flatware, all of her slacks” — to join a traveling caravan of evangelists led by the preacher Brother David Terrell. Holding tent revivals in a new town every few weeks, they were essentially carnies, but instead of hawking funnel cakes, they were selling God.
