“This Article Won’t Change Your Mind,” lamented a March 2017 headline in the Atlantic, atop an article in which Senior Editor Julie Beck explained how in “charged situations, people often don’t engage with information as information but as a marker of identity. Information becomes tribal.” Beck surveyed social scientists and activists across the political spectrum to sound the alarm about the depredations of motivated reasoning. In the wake of President Donald Trump’s inauguration, when terms such as “post-truth,” “alternative facts,” and “fake news” suffused the discourse, Beck’s hypothesis seemed reasonable indeed.