Santorum says primary outcome largely because of money

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.

Throughout his campaign, Santorum regularly touted his campaign's lean operation, priding himself as working with a budget and donations much smaller than Romney's campaign.

The former senator also said that Romney was better at winning the media cycle.

"Romney was more effectively able to spin the media, more effectively than we were," Santorum added. 

Santorum also said that it seemed increasingly unlikely that his campaign could catch up to Romney in the delegate count or be able to block Romney from getting the 1,144 delegates needed to win the Republican nomination.

"It just seemed unlikely, not even unlikely but reaching to the point of impossible, and our point was maybe it's time to stand down and just see how this thing works going forward," he said.

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