American dialects and their origins, how they're shifting, and some myths concerning them.
For example: It's spelled "coffee" all over the US, but do you say it "cahfee" or "cwaffee" or "cawfee"?
Veering off the subject slightly... why is it called "caffeine" and not "coffeine"?
Meh, no matter. Still opens my eyes in the morning, and I suppose that'll do.