In what is apparently a vogue of Republican state legislators exercising misplaced vendettas against college professors, Iowa Sen. Mark Chelgren recently made headlines when he introduced Senate File 64, “an Act relating to the teaching effectiveness and employment of professors” at Iowa public institutions. Each year, the bill stipulates, any faculty who fails “to attain a minimum threshold of performance” based solely on student evaluations would be automatically fired regardless of rank or tenure. Lest you think that firing professors based on a questionable assessment metric affords them too much dignity, rest assured there is more. Some beleaguered governing body...