Dan Pashman, host of The Sporkful, dives into the heated debate over whether hot dogs are sandwiches. He’ll also talk about the finer points of both foods—his trip to Hot Doug’s in Chicago and the engineering that goes into what making a great sandwich.

Dan Pashman is hosting a Twitter chat about sandwiches at 1:30 pm on July 24. His Twitter handle is @TheSporkful. To join in, use #notasandwich.