"The COVID-19 response was a collision of politics and public health-a volatile combination that produced predictably bad results. As public-health expertise became a tool for serving political ends, it did more than just prolong a crisis; it left the public-health establishment, like the country, mired in polarization. It was, Sandro Galea argues, a crisis of liberalism: a retreat from the spirit of enlightenment and its reliance on evidence-informed reason above all else. In Within Reason, Galea offers a critical appraisal of public health's capture by the lesser angels of today's society. Across 50 spirited essays, he shows that this is a story much larger than COVID or Trump. The diminishing of US public health is symptomatic of the same insidious social trends that were accelerated under COVID and now pervade the administration of public good everywhere: an intolerance for incrementalism, an intolerance of tradeoffs, an expectation of absolutism and moral purity. Galea challenges this recent intellectual drift while articulating how it has undermined much of the progress of earlier eras. With his trademark incision, he makes a case for a return to critical, unbeholden inquiry as a guiding principle for the future we want-and will have to work in order to achieve"--