“If I didn't understand what was happening at the time, he says, then it doesn't matter. I'm no more to blame than the knife is to blame in a stabbing, or the car in a collision.

"But I'm not an inanimate object," I argued. "I'm a person."

He looked confused for a moment and then laughed. "Of course, Charlie. But I wasn't referring to now. I meant before the operation."

Smug, pompous—I felt like hitting him too. "I was a person before the operation. In case you forgot—"

"Yes, of course, Charlie. Don't misunderstand. But it was different..." And then he remembered that he had to check some charts in the lab.”