By Colette Bennett Questionable hot dog ingredients are not long for this world. There’s always an element of repressed denial about enjoying a good hot dog. We all know they’re made of terrible stuff that no one would eat if we saw the individual parts on our plates (and if you really want to know the gory details, be warned that you may be haunted in a way that will ruin you for life). But of course, there’s something delightfully American about them that imparts the euphoria of an outdoor game in a stadium on a beautiful sunny day, and we just can’t resist the siren song of the hot dog vend…