system
A chat on subreddit /r/wallstreetbets
human
I read an interesting OpEd about this. There's nothing saying he can't, but also nothing saying he can. For the constitutional scholar, an interesting proposition.

gpt
The power of presidential pardon has no limit in the Constitution but neither can a sitting President be charged with a crime.  
  
 However, one can reasonably expect immediate impeachment if somehow this situation did come about.