President Donald Trump owes his political success to many things, his personal skills as an entertainer and a negotiator high among them. But no factor explains the rise of Trump better than the capture of America’s elite institutions by far-left ideology and a resulting decline in public trust.

Whether it is in higher education, organized labor, or tech companies, the commanding heights of our culture and economy have become echo chambers for upper-income, college-educated elites who long ago abandoned any pretense of impartiality to push their own radical agenda.