Harvard professor of constitutional law Noah Feldman says no, Trump can’t pardon himself, not because it would break a rule but because it would be the end of the US.
… Read the restHere’s some unsolicited advice for President Donald Trump: Don’t listen to any lawyers who might tell you that you can pardon yourself, or even that it’s a close legal question. You can’t — and no court is going to rule otherwise.
There’s a decent historical argument about why, but it’s beside the point. The bottom line is that if the president could pardon himself, we would no longer have a republic — nor a government of laws rather than men. We would be a dictatorship, not a democracy.