Do two people who don't know what they are talking about know more or less than one person who doesn't know what he's talking about? Listener Andy posits and Click and Clack provide the proof on this episode of the Best of Car Talk. And if you want to listen to more Car Talk, sign up for Car Talk+ Car Talk+ is the easiest way for fans to access more than 800 Car Talk episodes, wherever you listen to podcasts. Find out more at plus.npr.org/cartalk or find the Car Talk channel in Apple Podcasts.