COLUMBIA, S.C. - Presidential hopeful Rudy Giuliani ventured to conservative South Carolina yesterday hoping to talk about terrorism and the economy, but instead got hit at every stop with another topic - abortion. A day after the former mayor said he supports public funding of abortion - sparking a firestorm among conservatives - local media here forced him to elaborate on the issue at events intended to underscore new endorsements. And although Giuliani, who is seeking the Republican presidential nomination, did not waiver from his central belief that abortion is a woman's right, he responded with some of his most...