A few months ago I was down in Seattle visiting my friend Lynn. I happened to leave my engineering ring down there, and so last week Lynn offered to mail it to me, which obviously seemed like a good idea at the time. To get started, I want to point out that my engineering ring is worth, oh, about $15. It's just a shoddy piece of aluminum cut from something that closely resembles a hollow pipe. However, it is what all engineers in Canada wear, so it's actually kind of important to me. So today, I look in my mailbox and see that it has arrived at a location on Davie street, and that I can pick it ...