Tuesday is Election Day in Tennessee as polls open across the Volunteer State for the Republican and Democratic primaries.Polls in Warren County will be open from 8 a.m. to 7 p.m. for those who did not vote early. A total of 2,688 Warren countians voted early. Statewide, Tennessee residents voted in the Republican Primary 2-to-1 during early voting.Eight years ago, Hillary Clinton won Tennessee in the Democratic primary while Rick Santorum won Tennessee four years ago in the Republican Primary.