Will you watch the political conventions? They used to be working groups, passing resolutions, forming coalitions, and making meaningful votes on the candidates. Now they have become just coronations and propaganda forums. There used to at least be the suspense of who the Vice Presidential nominee would be, but now even that is pre-decided. Still, I have the habit, engrained from childhood, of tuning in.Here is a useful guide to the mini-dramas that will unfold at theDemocratic convention that opens today.