GOP Candidates Santorum And Gingrich Campaign In Pennsylvania

CAMP HILL, PA – MARCH 24: Republican presidential candidate, former U.S. Sen. Rick Santorum hugs his daughter Sarah Maria Santorum after speaking during a campaign stop at the Pennsylvania Leadership Conference March 24, 2012 in Camp Hill, Pennsylvania. Rick Santorum is campaigning in Pennsylvania and Wisconsin as Republican primary elections are being held today in Louisiana. (Photo by Jessica Kourkounis/Getty Images)