Dorian Abbot is an associate professor in the Department of the Geophysical Sciences at the University of Chicago. He spends his days studying climate change and extrasolar planets. In a piece written for Bari Weiss’ Substack, Abbot says he’s never been particularly political. He uses an online tool to decide who to vote for. But a few years ago he began to have concerns about academic freedom. He says he mostly kept his thoughts to himself for several years but that changed last summer. In the fall of 2020 I started advocating openly for academic freedom and merit-based evaluations. I...