As the race for a single congressional district draws national attention, we take an hour to examine Georgia’s changing electorate. First, Cobb County is the last metro county in Georgia with a white majority. But it’s expected to become "majority minority"—more than 50 percent non-white residents—in the next four years. Politically, the reliably Republican county is shifting to largely Democratic, and may flip in the upcoming 6th Congressional District election. We talk about the changing