May 10, 2006--South Carolina Governor Mark Sanford (R) holds a solid lead over two Democrats who want his job. Sanford leads State Senator Tommy Moore (D) 52% to 33%. That's a slightly larger lead than Sanford enjoyed in our last South Carolina poll which found the incumbent with a 13-percentage point lead over Moore. Sanford leads Florence Mayor Frank Willis (D) by 27 points, 55% to 28% (see crosstabs). That, too, is a better performance for the governor. The Democrats will select their nominee next month. Twenty-nine percent (29%) of voters have a "very favorable" opinion of Sanford while just...