Aww poor thing! I do find it hilarious how you have Booker's conscience be a pair of grimy (and nigh identical in sentiment) angel and devil. Tell me, how is Bioshock: Infinite? Your drawings regarding it have me curious.
Booker does not have a fully functioning moral compass. The angel and devil are actually just mini Booker people who are just as bad at making moral decisions as he is and like to wear devil/angle costumes.
And I have no idea. The game isn't out yet. I highly recommend getting it when it does come out though. I also highly recommend the original Bioshock if you've failed to play that one as of yet. It's got quite the story.