Cohen: Donald Trump, a deranged parrot in a gilded cage

In the Age of Trump, American democracy is under siege. The president’s attack on the judiciary, the media and the electoral process are among the existential threats to the United States.
David Frum makes this case in his important new book, Trumpocracy: The Corruption of the American Republic. His call is clear and urgent, like a fire-bell in the night. He joins a legion of honest liberals and conservatives who worry about the erosion of institutions through greed, malfeasance, apathy, i