The challenge for social conservatives is to run a candidate, such as Marco Rubio, who can capture the large Tea Party and evangelical voting blocs despite the stalking horse candidacies of Palin and Huckabee. | The challenge for social conservatives is to run a candidate, such as Marco Rubio, who can capture the large Tea Party and evangelical voting blocs despite the stalking horse candidacies of Palin and Huckabee. |