The full-length version is up on HBO, and also here on Youtube:

I found it hard to watch. Not only because the sound and sight of the man has become repulsive to me, but also because I know as bad as Trump's performance is here, this interview will change no minds. Trump supporters will see a reporter "unfairly badgering" the President. Trump detractors will just see another reason why the man is deeply incompetent to hold the office.