Senator Jim DeMint (South Carolina) endorsed former Massachusetts Governor Mitt Romney for president in 2008, according to a letter sent out to state Republicans.

From the Associated Press:

The endorsement letter, obtained by The Associated Press on Tuesday, marks a split between the two Republican senators representing South Carolina, which holds the first southern presidential primary.

Sen. John McCain of Arizona is favored by Sen. Lindsey Graham, South Carolina’s senior senator.

On Monday, supporters were dialing-for-dollars on behalf of the Romney campaign in the “National Call Day” that drew $6.5 million in donations and pledges.

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