Drop out, Newt. Dallas (CNN) — Former House Speaker Newt Gingrich might not want to count on a presidential endorsement from South Carolina Gov. Nikki Haley. In an interview with CNN Tuesday, Haley sharply admonished Gingrich for his comments over the weekend disparaging the Medicare plan proposed by House Budget Chairman Paul Ryan as “radical … Continue reading SC GOP Gov. Nikki Haley Rips Gingrich Over Paul Ryan Comments, “He Absolutely Cut Him off at the Knees”…