In the end, millions spent on ads influenced few voters

Posted: November 8, 2012 at 3:54 a.m.

Record spending by independent groups largely defined how the 2012 election races were fought, but the money had no discernible impact on the outcome of most contests, according to an early analysis by The Washington Post of ballot results and expenditures.

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Front Section, Pages 6 on 11/08/2012