1.0 link 136676 <![CDATA[Bi-Polar Disorder: Is The Presidential Race Really Tightening?]]> http://www.huffingtonpost.com/2008/10/21/bi-polar-disorder-is-mcca_n_136676.html Occasional blips in the polls during the closing weeks of the campaign have produced intermittent bursts of confidence among backers of John McCain and spurts of panic among Obama loyalists.

Take a gold standard: the rolling average of the nine or so most recent national polls calculated daily by RealClearPolitics. Obama's lead dropped from 8.2 points on October 14th to 5.7 on Tuesday, October 21st. If things continued that way until November 4, Obama's edge would shrink to a statistically...

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