Trump started tweeting trial balloons about this a month ago — “all agree the US president has the complete power to pardon” — and he has even asserted the unlitigated idea that he can pardon himself. But what he did yesterday puts his presidency on a whole new plane: a Category 5 political hurricane. By pardoning a man convicted of criminal contempt for direct violation of a federal order, Trump is now flaunting his eagerness to overturn the rule of law in America.