News Super Tuesday boost for Dems: South Carolina primary turnout shatters 2016 level, tops 2008 March 2, 2020William Cummings and Rebecca Morin, USA TODAYComments Off on Super Tuesday boost for Dems: South Carolina primary turnout shatters 2016 level, tops 2008 Democrats who were concerned that relatively low voter turnout in the Iowa caucuses meant voters were not fired up can take heart in the S.C. primary.