If you think that big-money financial support of Congressional campaigns only goes through PACs, 501c's and 527s, and political convention parties, think again. Anticipating a fight over votes from seniors this election season, the U.S. Chamber of Commerce is launching a $10 million television and radio ad campaign thanking mostly Republican lawmakers who backed the Medicare prescription drug program. The business federation plans to air the ads in Connecticut, Ohio, Pennsylvania and Nebraska as well as other states. The money would be divided almost evenly between House and Senate races.

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