SAMPLING ERROR

Explaining the Gallup poll’s huge (55-42) advantage for Bush (among what they term “likely” voters – read on)

http://www.theleftcoaster.com/archives/002806.html
[T]he Gallup Poll, despite its reputation, assumes that this November 40% of those turning out to vote will be Republicans, and only 33% will be Democrat. You read that correctly…

[More: http://www.dailykos.com/story/