<http://pewresearch.org/pubs/1000/obama-lead-widens>
Obama also has drawn even with McCain among white voters (45% to 45%). In the Sept. 9-14 survey, the first conducted after the party conventions, McCain led Obama among white voters by 14 points (52% to 38%). Notably, McCain's advantage among white non-college graduates also has almost disappeared over this period (from 16 points in mid- September to four points in the current survey).