By the time I was old, more importantly conscious, enough to ask my grandfather questions about his life, he was dead. And he had been dying a long time before that. He had Alzheimer’s for 15 years (or 10 or 20 or 12 years, depending on who you ask). He died at 86. I was 18. Among the questions I would have wanted to ask him were about his time as an “enemy alien” of the United States, including his incarceration in a Department of Justice prison in Missoula, Montana. (Internment is used to define the detention of non-citizens, incarceration the detention of citizens, but be…