Pulling Your Own Weight" by Joe Biden. No word on why she made that change; is the White House now being more cautious? Is the book, with its Obama quote, no longer appropriate? If so, did she think it would help with sales? I'm not sure that there's a good answer. And while there's always the possibility that this was some sort of inadvertent "Oops!," my guess is that somebody at Simon & Schuster didn't want to sell a book by a vice president for president. We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.