Just as physicists spend decades seeking to resolve the seeming paradox that a photon is both a wave and a particle, observers of U.S. politics continue to struggle with the reality that Donald Trump is both an exceptionally weak president and an authoritarian threat. Since 2017, many commentators have treated this question as binary, suggesting that Trump’s failures as a president should invalidate any concerns over what his White House tenure might mean for the future of our democracy. But that’s an incorrect — and dangerous — assumption.