When he was nine years old, my godson Adam developed a brief but freakishly intense obsession with Elvis Presley. He took to singing Jailhouse Rock at the top of his voice with all the low crooning and pelvis-jiggling of the King himself. One day, as I tucked him in, he looked at me very earnestly and asked: “Johann, will you take me to Graceland one day?” Without really thinking, I agreed. I neve