Last year, congressional hearings resulted in resignations at Harvard and the University of Pennsylvania. Now, President Donald Trump and his administration are celebrating the ouster of the heads of Columbia, Cornell, and the University of Virginia. In response, members of the higher education guild are mourning the dearly departed as martyrs. Both sides are missing something.The problems facing virtually every college campus in America have been well documented: hostility to a variety of intellectual viewpoints, resulting in cancellations, protests, self-censorship, and a failure to prepare...