Reporting from Washington— Former Pennsylvania Sen. Rick Santorum's brand of conservative Catholicism is not only helping rally a key part of the Republican base, but has proved an asset in drawing deep-pocketed Christian donors to an independent campaign supporting his presidential bid.

The majority of the money raised last year by the Red White and Blue Fund — a "super PAC" that has helped float his shoestring candidacy — came from evangelical Christians and conservative Catholics, according to an examination of campaign finance records.

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