Char-grilled or boiled? Sauerkraut or chili? Mustard or ketchup? Vienna Beef or Sabrett? Only these questions could be raised about one of the world's favorite backyard, picnic, ballgame, and street foods--the hotdog. Though nearly two billion hot dogs are consumed by Americans annually in the month of July alone, there is absolutely no consensus on which is the right way to serve up a hotdog. In Hot Dog, well known food historian Bruce Kraig...