Both Gallup and Rasmussen, the two daily national tracking polls, have had to continual muck with their internals to keep McShame close -- and he's still running behind. These are interesting, but not determinative, as they illustrate the ebb and flow of the two campaign's message.
Gallup and Rasmussen both seem to have R-leaning house effects, according to Pollster.com. I'll be interested in seeing what Diageo has to say, since it apparently has the lowest (albeit slightly Dem-leaning) house effect. Conservatives want live babies so they can raise them to be dead soldiers. - George Carlin