Donald Trump’s tenure as the 45th U.S. president may last another few weeks, another year, or another 16 months. However unsettling the prospect, the leaky vessel that is the S.S. Trump might even manage to stay afloat for a second term. Nonetheless, recent headline-making revelations suggest that, like some derelict ship that's gone aground, the Trump presidency may already have effectively run its course. What, then, does this bizarre episode in American history signify?"