Rick Santorum swept to victory in the Kansas Republican presidential caucuses Saturday, marking his strongest caucus finish yet but still struggling to make a dent in Mitt Romney’s delegate lead.

With all precincts reporting, Santorum dominated the race with 51 percent support. Romney trailed with 21 percent, followed by Newt Gingrich with 14 percent. Ron Paul was in last place with 13 percent.

Of Kansas’ total haul of 40 delegates, Santorum picked up 33. He won another three in the latest round of voting out of Wyoming.

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