That Twitter has just censored (“suspended the account” in their parlance) the film version of Lee Smith’s “The Plot Against the President,” directed by Amanda Milius, is not in the least surprising. It’s only the latest example of what Twitter does, what we have come to expect of it—censor or whatever euphemism you want to apply because the massive site, we are informed ad infinitum, is a private company and can do what it bloody well pleases without having to pay the slightest obeisance to the Bill of Rights or even the Magna Carta. Yes, it’s good publicity for the...