Second double-digit lead for Obama in Gallup tracking
PRINCETON, NJ -- For the third consecutive day, Barack Obama holds a significant advantage over Hillary Clinton in national Democratic preferences for the Democratic presidential nomination, now 51% to 41%.
Today's 10 percentage point spread, based on Gallup Poll Daily tracking from April 6-8, is only the second time since January that Obama has achieved a double-digit lead over Clinton, the first being his 10-point lead in interviewing conducted March 27-29.
Although Obama's lead was much narrower at several points recently in the campaign, Clinton has not led Obama by any amount since March 18-20. (To view the complete trend since Jan. 3, 2008, click here.)
The general election remains highly competitive, with neither party's candidate holding a significant advantage in Gallup Poll Daily tracking, although Obama now has a slight 2-point advantage over Republican John McCain among registered voters nationally, 46% to 44%, while McCain and Clinton are tied at 46% each. -- Lydia Saad
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 April 4-8, 2008. For results based on this sample of 4,366 registered voters, the maximum margin of sampling error is ±2 percentage points.
The Democratic nomination results are based on combined data from April 6-8, 2008. For results based on this sample of 1,240 Democratic and Democratic-leaning voters, the maximum margin of sampling error is ±3 percentage points.
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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