The Preacher is the reformer.
The Undertaker is the corporate prison system, banks, etc.
The pastor is the megachurch minister in his finery.
The first bartender is the yahoo hooting over CNN war footage.
The second bartender is the man in the street.
The 4 horsemen are the various agencies that police us (which is which should be obvious).
And so on.
"Greetings, my friend. We are all interested in the future, for that is where you and I are going to spend the rest of our lives. And remember my friend, future events such as these will affect you in the future. You are interested in the unknown... the mysterious. The unexplainable. That is why you are here. And now, for the first time, we are bringing to you, the full story of what happened on that fateful day. We are bringing you all the evidence, based only on the secret testimony, of the miserable souls, who survived this terrifying ordeal. The incidents, the places. My friend, we cannot keep this a secret any longer. Let us punish the guilty. Let us reward the innocent. My friend, can your heart stand the shocking facts of grave robbers from outer space?"