Who makes the best Cuban sandwich in South Florida? It’s a seemingly simple question, with decades of history— and an equally long rivalry —behind it. It’s a lot of talk for just a few slices of ham, mojo pork, pickles, mustard and swiss cheese between Cuban bread. There’s a new documentary exploring that question. The film, Mixto Cubano: The Origin of the Cuban Sandwich , is a semi-finalist in the Hollywood International Independent Documentary Awards . Tej Joshi is a rising senior at the