When I was a child in El Salvador, there were often helicopters firing bullets from the sky. I remember sometimes my parents would make us get up in the middle of the night, crawl on the floor and put mattresses up against the walls. Then we had to try to sleep under the beds. And the next day, we still had to get up and go to school! Sometimes, on the way, we would see some dead bodies, which after a while, as a kid, you got used to. At that time, I was 11, and my brother was . . .