When Rose Metal Press asked if I would consider writing a review of a forthcoming book entitled The Best of Brevity, I thought, Why not? I favor brevity. After all, that famous line, “Forgive me for writing you such a long letter, for I didn’t have the time to write a short one,” is one of my favorite [mis]quotations, even if we’re not exactly sure who first wrote it. Was it Montaigne? Cicero? Machiavelli? Pascal? Wilde? Twain? Mencken? Does it matter? So the book arrived and I noted the cover read, “Twenty groundbreaking years of flash nonfiction.” I was intrigued; having written flash fiction for years and years, I was embarrassed to admit I knew little about this genre. But flash nonfiction? Now I wondered, Hmmm, this might be boring. Then I began flipping pages,…