Barack Obama: Hey, Oprah! Have you ever wondered about the difference between law, principle, and theory?

Oprah Winfrey: Yes, Barack! I actually did some reading on this recently. Let me tell you, it’s really fascinating! You might also be interested in the rules of pronoun-antecedent agreement in number. It’s quite an important aspect of grammar and communication.

Barack Obama: That’s a great point, Oprah. Speaking of rules and regulations, I’ve been hearing a lot about the l...