President Trump has made it clear that he believes he can pardon himself.
As has been stated by numerous legal scholars, I have the absolute right to PARDON myself, but why would I do that when I have done nothing wrong? In the meantime, the never ending Witch Hunt, led by 13 very Angry and Conflicted Democrats (& others) continues into the mid-terms!
But many legal scholars say we answered this question during Watergate. Shortly before President Nixon resigned from office, the Office of Legal Counsel issued an opinion in which they cautioned that no one may be a judge in his own case—a principle of so-called "natural law." This meant, according to the OLC, the president cannot pardon himself.
But Article II, Section 2, Clause 1 of the Constitution says that the president "shall have Power to Grant Reprieves and Pardons for Offenses against the United States, except in Cases of Impeachment."
Pardon power doesn't extend to state crimes, only "offenses against the United States," and it can't stop or undo a congressional impeachment. But beyond that, the power to pardon is pretty broad, and many legal experts say while it could be political suicide for the president to pardon himself, it's perfectly legal.