Wonder who is the script writer

In 2015 Trump was still a member of SAG, he had to be to work on Celeb Apprentice. So he may well have been working from a script during 2016 campaign. For Donald it was all more a show than real, remember how surprised he looked when he won presidency? So now he may have that same script writer sending him story points and suggesting phrases for the day, "call the phone call perfect" and "The Kurds did not help us in WW2," and "say, Are you talking to me?" maybe even suggesting he spell it Beetles on John Lennon's birthday, all the way back to "we're going to tear down those columns" at Trump's Jan 2017 speech at CIA...