[gtxvideo vid='LZVIlKx4' thumb='http://player.gtxcel.com/thumbs/LZVIlKx4.jpg' vtitle='dance marathon day'] COLUMBIA, S.C. (WOLO) - South Carolina Governor Henry McMaster has declared April 25 as S.C. Dance Marathon Day. In 2018, USC Dance Marathon, one of the state's largest dance marathon events, raised more than…