Adults:
46-47 Obama vs. Romney
46-46 Obama vs. Perry
50-43 Obama vs. Bachmann
47-42 Obama vs. Huntsman
53-41 Obama vs. Palin
Registered Voters:
45-49 Obama vs. Romney
46-47 Obama vs. Perry
50-44 Obama vs. Bachmann
47-42 Obama vs. Huntsman
53-41 Obama vs. Palin
METHODOLOGY – This ABC News/Washington Post poll was conducted by telephone Aug. 29 to Sept. 1, 2011, among a random national sample of 1,001 adults, including landline and cell-phone-only respondents. Results have a margin of sampling error of 3.5 points for the full sample and 5.5 points for leaned Republicans. The survey was produced for ABC News by Langer Research Associates of New York, N.Y, with sampling, data collection and tabulation by Abt-SRBI of New York, N.Y.
http://www.langerresearch.com/uploads/1126a22012Election.pdf