An energized John Kasich heads into South Carolina's Republican presidential primary hoping to build on a strong showing in New Hampshire, but he's refusing to tailor or shift his message to fit the state's more conservative electorate. "People told me: 'They're really conservative down there,'" Kasich joked to a crowd Wednesday in Mount Pleasant, his first campaign stop in the state since a debate in mid-January. "And I'm like, 'wait a minute, people are people - we all have the same concerns.'" [...] ... From the Carolinas west to Oklahoma and Texas, none of the GOP-run states has embraced Medicaid...