“I want to ask you something and I would like you not to hang up,” she said.

“Do you know anything about a fertility clinic in Tucson?”

I sat down.

“Why do you ask?”

“Because in January I took Michelle to an appointment.

Christopher was travelling and she said she couldn’t drive, and I offered, because I was — because I wanted to.” A pause.

“It was in Tucson.

Which I thought was odd, at the time, because there are four perfectly good practices in Phoenix, and I said so, and she said something about a specialist.”