The use of “pled” vs “pleaded” in a Trump tweet may be evidence of authorship:
http://www.theatlantic.com/entertainment/archive/2017/12/looking-for-the-linguistic-smoking-gun-in-a-trump-tweet/547361/?utm_source=eb
More generally, can “forensic linguistics” point to the authorship of Trump’s tweets?
https://www.theatlantic.com/politics/archive/2017/12/forensic-linguists-tackle-trumps-notorious-flynn-tweet/547898/