Polls may underestimate Obama's support by 3 to 4 percent, researchers say

(PhysOrg.com) -- Current polls of the presidential election may be underestimating Barack Obama's support by 3 to 4 percent nationally and possibly larger margins in the Southeast and some strongly Republican states, according to University of Washington researchers.

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<p><a href="http://www.physorg.com/news142862643.html">Polls may underestimate Obama's support by 3 to 4 percent, researchers say</a></p> <p>(PhysOrg.com) -- Current polls of the presidential election may be underestimating Barack Obama's support by 3 to 4 percent nationally and possibly larger margins in the Southeast and some strongly Republican states, according to University of Washington researchers.</p>