“I generally start the conversation immediately, that way the person wanting a book signed never has to say the things they’ve stood in line agonizing over, and that they will most likely regret later on. There are exceptions, though. I was in Baton Rouge in late May 2013, when a woman approached, saying, before I had a chance to throw her off balance, “You got me to put my bra back on.” I set down my pen. “I beg your pardon?”