When you're writing or typing and begin to list items in consecutive order, do you add a comma prior to the conjunction before the final item? Or not? The inclusion of that final comma is a great ...

DEAR RICHARD: The Oxford comma, also known as the serial comma, is the comma used before the conjunction in a list of three or more items. For example: “I like to eat apples, bananas, and oranges.” I ...

If you’re looking for a grammatical convention guaranteed to spark an unnecessarily outraged debate, look no further than the Oxford comma [Editor’s note: I don’t know that I’d call it unnecessary].