I entered the lobby of my apartment building, and did what I always do upon arriving home from work. I opened my mailbox and retrieved the current day’s collection of bills and junk mail. Today’s mail was a little different than on other days. Among the usual stuff, one envelope stood out. It was square and at least six inches by six inches. Whoever had addressed it had used a calligrapher. The lettering was ornate, in black ink, which stood out on the very pale lavender envelope. There was no