Rand Paul shook off an awkward comment comparing same-sex marriage to beastiality and made a trip Friday to the early primary state South Carolina in the early stages of a potential presidential campaign. The Kentucky senator, reacting to a comment from Glenn Beck wondering if the Supreme Court's decision to strike down the bulk of the Defense of Marriage Act could lead to legalized polygamy, Paul extended Beck's logic. "This is a conundrum, and it gets back to what you were saying… whether or not churches should decide this,” Paul said. “And it is difficult, because if we have no...