Rice or no rice? Is a burrito better when its ingredients are mixed up before being rolled in the tortilla? What's the best way to eat the end cap? And if any flour tortilla shape were possible, what would be the ideal for a burrito? Dan covers these questions and more with Slate's Matthew Yglesias, who has compared the Chipotle burrito to the iPhone. Listen to find out why. Plus, Dan infiltrates a Subway to snag some sandwich wisdom, and impart a bit of his own.