I think they'll posture for a bit and then reach agreements. In the last decade or two it has become the case that every important "negotiation" goes up to (or beyond, as in this case) its final deadline. Until the last moment everyone just postures and plays to the base. Sorry to be a cynic, but the upshot of this is that it'll be a great buying opportunity for those who can (particularly for the wealthy, who probably have been preparing for this) and a punch in the eye for pretty much everyone else. In other words, it will sting like a bitch for a while and then it fades away and people act as if they forgot all about it.
"Well, evolution is a theory. It is also a fact. And facts and theories are different things, not rungs in a hierarchy of increasing certainty. Facts are the world's data. Theories are structures of ideas that explain and interpret facts. Facts don't go away when scientists debate rival theories to explain them. Einstein's theory of gravitation replaced Newton's in this century, but apples didn't suspend themselves in midair, pending the outcome. And humans evolved from ape- like ancestors whether they did so by Darwin's proposed mechanism or by some other yet to be discovered."
-Stephen Jay Gould
-Stephen Jay Gould