How did the word "gay" go from meaning "happy" to "homosexual"? Martha and Grant discuss the evolution of this word. Also, why are elementary schools sometimes called grammar schools? Plus, imeldific, gone pecan, random Scrabble words, and the difference between borrow and lend. And the etiquette of striking up a conversation with a stranger in an English pub: Whatever you do, don't introduce yourself or try to shake hands.