Politicians know: You can change a conversation by touching the other person's arm. Lawyers know: You don't ask a question unless you already have the answer. Marketers know: It's easiest to convince people of what they already believe. Reporters know: People hate silence. They fill it with stuff you can use. You may love them or hate them, but there is no denying that politicians, lawyers, marketers, and reporters are masters of persuasion. In 27...