The CNN poll was conducted November 2-4 by ORC International, with 1,010 adult Americans, including 918 registered voters and 693 likely voters, questioned by telephone. The survey's sampling error for likely and registered voters is plus or minus 3.5 percentage points.
National polls: Obama, Romney in dead heat
Poll is fourth released Sunday to indicate possible tie
Published On: Nov 04 2012 08:01:18 PM EST Updated On: Nov 05 2012 06:34:43 AM EST
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