Source:
GallupPRINCETON, NJ -- The latest Gallup Poll Daily tracking report shows Barack Obama continuing to lead John McCain, now by seven percentage points among registered voters, 50% to 43%.
These results, based on Oct. 12-14 polling, represent a slightly better showing for McCain than has been the case in recent weeks. His 43% share of the vote matches his high over the past two weeks -- roughly covering the month of October to date -- due, in part, to a stronger showing in Tuesday night's polling. Obama's 50% support level matches his average for October to date.
Obama has held a statistically significant lead, as large as 11 points at times, over McCain among registered voters since just before the first presidential debate in late September.
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http://www.gallup.com/poll/111172/Gallup-Daily-Before-Final-Debate-Obama-Leads.aspx