That's the thrust of this long kooky article on polling conspiracies. The thesis:
Saying how you intend to vote is not simply an expression of how you intend to vote, but rather a component of the public barometer of how the majority intends to vote, which is then used by the media and the blogs to influence everyone else.
(Hat tip: Yglesias)
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2008/10/mccain-is-winning-maybe/210120/
