http://www.gallup.com/poll/109774/Obama-Lags-Democratic-Support.aspx
Obama Lags in Democratic Support
Democrats’ lead on party ID greater than Obama’s lead over McCain
by Lydia Saad and Jeffrey M. Jones
PRINCETON, NJ -- As the national political conventions are poised to start, the party orientation of U.S. voters clearly favors the Democratic Party, similar to the pattern seen for the past five months. Among all national registered voters interviewed thus far in August for the Gallup Poll Daily tracking survey, 35% identify as Democrats compared with 28% who identify as Republicans. An additional 36% are independents.
The current 7-point Democratic advantage in party ID expands to 10 points when the party leanings of independents are taken into account. Fifty percent of U.S. registered voters identify with or lean to the Democratic Party and 40% are Republican or lean Republican.
This Democratic advantage contrasts with the close nature of the presidential contest between Democrat Barack Obama and Republican John McCain in monthly averages of the Obama vs. McCain horse race since March.
Although Obama has led by as many as 9 percentage points over McCain in Gallup Poll Daily tracking three-day rolling averages, the results on a monthly basis show Obama averaging no better than a 3-point lead among registered voters in any month. This includes August (according to interviews from Aug. 1-19), during which Obama has led 46% to 43% (though in the past week, Obama has averaged just a 1-point advantage).
Gallup's most recent weekly aggregate, based on Aug. 11-17 data, found Obama up by an average of only 2 points over McCain, 45% to 43%. At the same time, voters' party preferences broke 35% Democratic and 28% Republican (with a 50% to 40% Democratic advantage on party identification, including leaners).
The reasons this is not translating into a stronger lead for Obama are twofold:
1. Although Democrats outnumber Republicans in the electorate, McCain receives the support of a greater share of his party base than does Obama.
Whereas 84% of Republicans polled from Aug. 11-17 say they will vote for McCain in November, only 79% of Democrats say they will vote for Obama. A similar gap in party loyalty has been seen each week since Obama clinched the Democratic nomination in early June. Over this period, Obama's Democratic support has ranged from 78% to 82% while McCain's Republican support has ranged from 83% to 85%.
2. The race has been extremely close among the roughly 36% of voters who call themselves political independents.
Since early June, Obama and McCain have swapped the lead among independents, with neither ever achieving a very large lead. Overall, Obama has averaged just a 1-point lead over McCain among independents, and in interviews conducted Aug. 11-17, the two were tied at 42%.
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I'm sure some will tell me again that we don't need a unity ticket.