- John McWhorter: When President Trump revealed that he doesn't know why the Civil War was fought, it was revealing of a man who seemingly cannot learn or concentrate on anything of substance
- He is a president who refuses to engage long-form policy papers, prefers television to print, and Twitter to thought, writes McWhorter
John McWhorter teaches linguistics, American studies, philosophy and music history at Columbia University and is the author of "Words on the Move." The opinions expressed in this commentary are his own.
(CNN)When President Donald Trump revealed that he doesn't know why the Civil War was fought, or at least figures it could have been averted by the kind of deal-making he supposedly excels at, it was revealing in ways beyond the ones easy to glean.