Like all failed experiments, that one taught me something I didn’t expect: one key ingredient of so-called experience is the delusional faith that it is unique and special, that those included in it are privileged and those excluded from it are missing out. And I, like a scientist unwittingly inhaling toxic fumes from the beaker I was boiling in my lab, had, through sheer physical proximity, been infected by that same delusion and in my drugged state had come to believe I was Excluded: condemned to stand shivering outside the public library at Fifth Avenue and Forty-second Street forever and...