Mark Blumenthal | September 1, 2008
USA Today / Gallup - story
8/30-31/08; 1,835 registered voters, margin of sampling error +/- 3%
Mode: Live Telephone Interviewer (landline and cell phones)
Among registered voters
Obama 50, McCain 43 (8/21-23: Obama 47, McCain 43)
UPDATE: Maura Strausberg of the Gallup Poll now confirms that this survey was a two-night subset of the the Gallup Daily tracking survey.