Presidential hopeful Ron Paul says his rivals’ militant stances on “the defense of liberty” would make it difficult for him to support any of them for president should he not get the Republican nomination, because their positions would lead to bigger government. But the Texas congressman also told Fox News’ Neal Cavuto Wednesday that despite these concerns, he probably would not run as a third-party candidate. “I would have trouble with what I heard last night because it is almost opposite of the defense of liberty that I’m talking about,” Paul told Cavuto, referring to Tuesday night’s presidential debate. “I...