A judicial process that doesn’t allow the accused to cross-examine his accuser or reliably see the evidence against him is a civil libertarian’s nightmare. It traduces every principle of fairness and is blatantly un-American. Yet Education Secretary Betsy DeVos is about to get savaged for replacing just such a process with something more in keeping with our longstanding legal norms. The Education Department is preparing new rules that would roll back the monstrously unfair Obama-era requirements for how colleges handle sexual-assault and harassment allegations. The Obama rules have been receiving a battering in the courts, where due process is still...