He not only lost independents, but he lost support in almost every other demographic:
President Obama's Poll Numbers Bleak with Independents, Women, the Young, WhitesWhat Must Obama Do to Turn Things Around?
Mark Whittington, Yahoo! Contributor Network
Nov 26, 2010
The Washington Examiner's Byron York relates poll statistics that are as awful as awful can be for President Barack Obama and his prospects of getting reelected.
With one exception, President Obama has lost heavily among all demographics.
"Start with voters who call themselves independents. Obama won 52 percent of them in 2008; now, according to Gallup, he is at 42 percent. Obama's party as a whole fared even worse among independents in the midterms, losing them to Republicans by 19 points. If Obama does anywhere near that badly in 2012, he'll lose.
"Next, women. In 2008, Obama won 56 percent of female voters. Today, he's at 49 percent. If that number doesn't improve, he'll be in deep trouble. (Obama is also down with men, from 49 percent in 2008 to 44 percent now.)
"Even younger voters, a key part of Obama's coalition, are peeling away. In '08, Obama won 66 percent of voters 18-29 years of age. Now, he's at 58 percent. That might seem pretty good, but not when you consider his deterioration among other age groups. Obama has dropped 5 percentage points among voters in and around middle age, and 8 percent with voters above 65. If those trends continue, he'll lose.
"Then there are white voters. In '08, Obama won 43 percent of whites. Now, he's at 37 percent -- a dangerously low number for his re-election hopes. He won 67 percent of Hispanic voters in 2008; now, he's at 58 percent. Even support among black voters, a bedrock for Obama, has ticked downward; after winning 95 percent of blacks in '08, he's now at 89 percent.
"Just one group has stuck with Obama through it all. In '08, he won 58 percent of people with graduate degrees. Now, he's at 59 percent. It appears that academic types will be with Obama always, but they're not enough."
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http://www.associatedcontent.com/article/6057514/president_obamas_poll_numbers_bleak.html?cat=9