This past weekend marked the unofficial start of summer here in the States, and to celebrate, dictionary publisher Merriam-Webster threw down the gauntlet in a major way. The hot dog, it declared, is a sandwich. It consists of bread (the bun) holding some filling (a plump, juicy hot dog). It meets the textbook definition of a sandwich. Therefore, it’s a sandwich. The reaction from Team Hot Dog was swift. “Nooo! That’s not true!” they Luke Skywalkered across the Twiterverse. “Hot dogs are ho