Former Republican Geoff Duncan launches campaign for governor as Democrat

Geoff Duncan Switches Sides

Former Lt. Gov. Geoff Duncan may run for office after switching parties | WSB-TV

Trump has 'sucked the life and soul out of the Republican Party': Rep. Geoff Duncan | On Balance

Congressman Jeff Duncan Questions Sec. Napolitano on Possible Deportation of Saudi National 4/18/13

Former Georgia Lt. Governor leaves GOP to become a Democrat

SC Congressman Jeff Duncan on the Congressional Sportsmen's Caucus (short version)