Gov. Ron DeSantis had just taken office in 2019 when the University of Florida lured Neil H. Buchanan, a prominent economist and tax law scholar, from George Washington University. Now, just four years after he started at the university, Buchanan has given up his tenured job and headed north to teach in Toronto. In a recent column on a legal commentary website, he accused Florida of “open hostility to professors and to higher education more generally.” He is not the only liberal-leaning professo