It can be ever changing, that will. It can fluctuate daily perhaps.
We could have, potentially, a plebecite, a direct democracy, everyone vote via Iphone, ala american idol, or we could accept polls taken by pollsters as representative of the people, or, finally, as obama himself stated, "john, we had that debate already and i won".
I, myself, would tend to agree with obama, that elections have consequences, those you like and those you don't like.
The only way we have, under our republican form of government, to assess the will of the people, is to have elections.
You may say that elections do not represent the will of all the people as only a minority vote. I say, so what?
The next election is how you properly cure the current election.
For any group of elected representatives to hide out and abandon their position of entrustment is to defeat the form of government we all have pledged allegiance to, if we have, in fact, recited that pledge freely or accepted it as ours in some way.
To run and hide is an attempt at nothing more than to defeat the will of the people as known by Americans and it is the taking of the people's vote, and the making of it worthless.