The Oxford comma (spelled correctly) is a serial thing - the omission of which can lead to confusion.

Wonder why they misspelled that term as a name for a targeted investigation of Trump?

Explanation (AI):

"The Oxford comma (or serial comma) is the final comma placed immediately before the conjunction (such as "and" or "or") in a list of three or more items. For example: "I bought apples, pears, and bananas." Its main job is to clear up confusion.

Why People Use It

- Stops weird mix-ups

- Makes group lists clear

Example of trouble without it: "I love my parents, Batman and Superman." (This sounds like Batman and Superman are your parents).

Example fixed with it: "I love my parents, Batman, and Superman."

Style Guide Rules

Yes: Used by The Chicago Manual of Style and most American academic writing.

No: Left out by The Associated Press (AP) Stylebook for news and journalism to save space.

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Dual messages possible in its use as well as its misspelling ("e" instead of "o" in Oxford, and zero "0" instead of "o" in comma).

Aren't they just the cleverist?

Willingly…