The Hill News

Rick Santorum said Mitt Romney's success in the Republican presidential primary, as well as his own decision to suspend his campaign, was largely because of money.

Santorum said that his electoral chances seemed to dim faster and faster as money became a  "more substantive" issue for his campaign, especially after the Wisconsin primary on April 3.

"After the last week in Wisconsin, we basically had no money," Santorum said in a radio interview with the Family Research Council's Tony Perkins on Thursday. 

Romney won that primary with roughly 44 percent of the vote.

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