[edzo4]

The spreading use of polls by the press and television has an important, if unmeasurable, effect on how voters perceive the candidates and the campaign, creating a kind of synergistic effect: the more a candidate rises in the polls, the more voters seem to take him seriously.

and here in the story is the exact reason the polls ahve been tilted to favor Obama, it is all the media has

[snarkytart]

Not only that, but that’s the reason WHY there are waaaaay more polls this cycle than any other cycle.
To spread propaganda. Pure and simple.