Biotech entrepreneur and Republican presidential hopeful Vivek Ramaswamy is slated to headline a GOP fundraiser in South Carolina as he returns to campaigning in the first-in-the-South primary state. Ramaswamy will be the featured speaker at the third annual Dorchester County GOP's Faith, Family & Freedom Dinner, scheduled for Aug. 19 in Summerville at the Dorchester Shrine Club, county party Chair Steven Wright told The Associated Press on Tuesday.