Dear Bart Ehrman, We have never met. That is a strange way to begin a book. It is probably stranger still to write a book addressed to someone one does not know. But at some point, while I was walking my dog and taking a break from writing this thing, the thought came to me with unusual clarity. If this book changes only one mind about the Letter to Theodore, whose mind would I want it to be? Your name came first. Not because I know you. I do not. Not because I imagine you are waiting to be persuaded by me. You are not. And not because I think your position on Morton Smith’s discovery is the crudest or the most irresponsible. It is not. That is precisely the point. You matter because your skepticism is reasonable. Or at least it has the appearance of reasonableness. You have not generally shouted that Morton Smith forged the Letter to Theodore. You have not built some ridiculous Da Vinci Code contraption out of Morton Salt, Oscar Wilde, Canadian pulp fiction, Aleister Crowley, and...