Today, voters in Knox County will head to the polls to cast ballots in both the presidential primary and several county primary races. As primaries go, it's one of the most talked-about elections in recent history. The close race among presidential candidates is one reason. But a series of scandals, a lawsuit and infighting among county commissioners have generated an interest in local politics not seen in years. WUOT's Matt Shafer Powell recently hit the road to find those places in Knox County where people are talking about county government---and to find out what they're saying...