Another day of what looks like random noise in the national daily tracking. Four trackers show slight, nominal movement to Obama (Gallup, Diageo Hotline, DailyKos/Research 2000 and IBD-TIPP). Three show slight movement to McCain (ABC/Washington Post, Reuters Zogby and GWU/Battleground) and one (Rasmussen) shows no change. As usual, all of these shifts are well within the margin of error of each poll.
On the other hand, as of this hour, Obama's lead on the more variable "nose" of our national trend chart has increased for the fifth straight day to an 8.4 point margin (50.9% to 42.5% - as of this hour).
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