Although I generally enjoy my writing assignments, this one came with a downside. Each time I sat down at my computer to work, I began to itch, and it did not stop until I was done working. For most of us, the mere mention of lice invites an itching sensation that’s hard to suppress. I remember as a kid reading a list of cute quirks within the English language, such as “Why do Americans drive on a parkway and park on a driveway?” Another was, “If the plural of mouse is mice and the plural of louse is lice, then