PRINCETON, NJ -- At the start of the long summer in which John McCain and Barack Obama will hone their messages and strive to fill their campaign coffers before the crucial fall campaign season, the two are nearly tied in national voter preferences, 46% for Obama and 44% for McCain.
Today's figures, based on Gallup Poll Daily tracking from June 17 and 19-20, are identical to those reported on Friday, and are consistent with the close nature of the race for the past week, with Obama holding a slight advantage. (To view the complete trend since March 7, click here.) -- Lydia Saad
For the Gallup Poll Daily tracking survey, Gallup is interviewing no fewer than 1,000 U.S. adults nationwide each day during 2008.
The general-election results are based on combined data from June 17 and 19-20, 2008. For results based on this sample of 2,640 registered voters, the maximum margin of sampling error is ±2 percentage points.
Interviews are conducted with respondents on land-line telephones (for respondents with a land-line telephone) and cellular phones (for respondents who are cell-phone only).
In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls.
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