After essayist Jill Lepore made a couple of uncharitable comments on Ayelet Waldman’s new book Bad Mother, Waldman tweeted, “May Jill Lepore rot in hell.” And in response to Caleb Crain’s review of his The Pleasures and Sorrows of Work, Alain de Botton staged a small hissy fit in a comment on Crain’s blog. (Don’t these people read Miss Manners?)