With the NC State Fair expected to bring nearly one million visitors, Libertarian presidential candidate Chase Oliver set up shop in a hope to sway some of them to vote third-party. “It’s a challenge to break through the two-party system, but we keep at it like the little engine who could,” Oliver said. “We push through with positivity and we’re getting through to a lot of voters.” Some fairgoers told CBS 17 they don’t know much about third-party candidates on the ballot and they’re...