05/04/2008 05:12 am ET Updated May 25, 2011

Race, Class, Values: GOP Attacks Obama, Possibly In Effort To Buoy Clinton

Senator Barack Obama is starring in a growing number of campaign commercials, but the latest batch is being underwritten by Republicans.

In a sign that the racial, class and values issues simmering in the presidential campaign could spread into the larger political arena, Republican groups are turning recent bumps in Mr. Obama's road -- notably his comment that small-town Americans "cling" to guns and religion out of bitterness and a fiery speech by his former minister in which he condemned the United States -- into attacks against Democrats down the ticket.

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