With his background as a billionaire celebrity, real estate mogul, and reality TV star, Donald J. Trump has been utterly unlike any other modern president. His startling victory over Democrat Hillary Clinton in the 2016 election caught experts off guard. Trump’s lack of governing experience led to predictions of disaster. Trump’s belligerence toward America’s allies and rejection of longtime trade pacts alarmed his critics. They claimed his stance of America First reeked of nationalism. His crusade to build a border wall to stop illegal immigration from Mexico and Latin America was widely called racist. Accusations that he had mistreated women in the past refused to go away in the age of #MeToo–