NO! The foremost job of the president is to PROTECT American citizens, using the constitution as a guide. The constitution is only a few pages long. It does not define every nitty gritty of POTUS duties. The tax code is 100 times longer and much more detailed, and almost none of it comes from the constitution, yet IRS enforces it relentlessly.
If he does I would like to hear more about his understanding of it.
But the truth is he really can't discuss it so he doesn't.
So, Mr. Trump, what is more important to you, We the People or the Art of the Deal?