There are many important issues of the day, and last night, David Letterman and Jason Segel tackled two of them: sandwiches and burritos. What started as a conversation about a tweet of Segel’s, in which he said sandwiches are more diverse than burritos, turned into a thorough, impassioned conversation about the two delicious topics. That’s all we’ll say about the video below because we have to go eat all the sandwiches real quick.