In 1995, at the beginning of the last week of August, on the afternoon of an inhumanly hot and intolerably humid day, I arrived at Newark Airport to live in the United States. I was twenty two years old and about to start as a graduate student at Princeton. I have been here more or less the whole time since. I spent six years on an F-1 Visa while getting my PhD. After that, I lived and worked in Tucson for seven years. My conception of what counts as an inhumanly hot day changed. During that ...