You're not entitled to an opinion, because you're not an "expert." Can you imagine anyone still speaking this way after the conduct of the so-called "experts" over the past three years? But they do, dear reader. They do. This happened to me just the other day. A friend had posted on social media that my new book looked interesting. Then came the reply: "What's interesting is that a conservative historian wrote a book about medicine." I won't even bother with the "conservative historian" characterization. The key thing is this: the critic in question is saying that I ought to stay in my lane,...