so, when playing through the original game, there are references to the 'other courrier', who could have delivered the chip in the first place and according to Dead Money, we will battle eventually 'under an ancient flag.' There are also the painted messages on the canyon wreckage that blocks your path to the great divide. I wonder if this is leading up to an even greater storyline or if they're making it up as they go... It would be neat if Obsidian had wider arching story to tell through DLC's and a possible sequel.

http://www.gamesas.com/index.php?/topic/1152272-the-battle-of-the-divide/

I believe this was my previous thread on the subject...