To Donald Trump’s harshest critics – indeed to much of the nation – the president’s ongoing support from a devoted base is bewildering.

Why, for instance, would evangelicals fawn over a man who so epitomizes immorality? What do defense hawks see in a president who cozies up to America’s adversaries and antagonizes its allies? And how can the party of Abraham Lincoln and Ronald Reagan stand by a president so intent on undoing their legacies?

This editorial was first published in USA Today.