Rick Santorum had been expected to take the Republican presidential primary Saturday, but the size of the victory was a surprise. His triumph over national front-runner Mitt Romney, along with a recent gaffe by a Romney adviser, give the former senator hope.

Rick Santorum had been expected to take the Republican presidential primary Saturday, but the size of the victory was a surprise. His triumph over national front-runner Mitt Romney, along with a recent gaffe by a Romney adviser, give the former senator hope.