October 14, 2010 08:42 PM UTC

Senate Race Spending Doubles From 2008

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• by: Colorado Pols

According to a study from Kantar Media/CMAG, media spending in 2010 on both Senate and House races is up exponentially from 2008.

Between Sept. 1 and Oct. 7, nearly $115 million has been spent on U.S. Senate races, compared to $62 million in 2008. The jump isn’t quite as big for House races, though it is still significantly more, from $51 million in 2008 to $84 million in 2010.

So what has made the bulk of the difference in spending in these last two years? It appears the prevalence of Republican interests groups has a lot to do with it. The top six interest groups that have spent the most money in 2010 are all aligned with Republicans.