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Gallup Daily: Obama 46%, McCain 43%

Gallup Daily: Obama 46%, McCain 43%

PRINCETON, NJ -- Barack Obama leads John McCain in national registered voter preferences for the election, but by a slightly narrower margin than he had earlier this week, 46% vs. 43%.

Although Obama's three percentage point advantage is statistically significant, it is down from the 6- to 7-point leads he had in Gallup Poll Daily tracking reports on Monday, Tuesday and Wednesday of this week. (To view the complete trend since March 7, 2008, click here.)

According to the latest results, based on Gallup Poll Daily tracking interviews from June 9-10 and 12, a sizeable 10% of national registered voters are either undecided between the two major party candidates for president (4%), or say they will not vote for either (6%). This is the highest uncommitted percentage Gallup has seen since it launched daily tracking of an Obama vs. McCain race in early March. (The average across this time period is 8%.) Additionally, a consistent 1% volunteer they will vote for a different candidate. -- Lydia Saad

Survey Methods

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 9-10 and 12, 2008. For results based on this sample of 2,714 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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