Sheldon Adelson. Photo: wiki commons.

Politico – Casino mogul Sheldon Adelson this week pledged $10 million to the Koch brothers’ 2012 efforts, cementing a potent alliance of two of the biggest spending forces in conservative politics.

The pledge was delivered by Adelson aide Andy Abboud at the Koch brothers’ donor summit early this week in suburban San Diego and was among the biggest of the gathering, multiple sources told POLITICO. Other large pledges came from personal investment tycoon Charles Schwab, who committed to a seven-figure donation, and the billionaire industrialist brothers Charles and David Koch.

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