A few days ago, I got an email from a fact-checker at PolitiFact. His name is Bill McCarthy. He said he was checking a quotation from me taken from my appearance on the “Ingraham Angle” on Fox News. We had an exchange of emails that gives a very interesting window into the otherwise obscure world of fact-checking. So I’d like to track our correspondence, because, after all, these are the kinds of checks that get people tagged, restricted, and even banned on social media. Here’s what I said on Fox: “If you follow Jan. 6 at the granular level with...