If civilizations rise and fall in concert with moral virtues, then America could very well be on its last legs. So says Seth Gruber who took a look at historical trends, and found the facts were clear — that societies where monogamy was pushed to the side were always, always, always in their final days. In his book and film, "The Last Stand: Christ or Chaos - The War for the West," Gruber lays out the three big downfalls that always lead to societal destruction.