NASHVILLE, Tenn. — For years, Tennessee Democratic Senate Minority Leader Jeff Yarbro’s call to require the state’s voting infrastructure to include a paper record of each ballot cast has been batted down in the Republican-dominated Legislature. But as the fallout around the 2020 presidential election — and some GOP voters’ distrust of voting machines — Tennessee Republican lawmakers who have held off are coming around on a paper-backed mandate. A similar scenario is playing out in some of the five other states -- most of which are Republican-led -- that do not currently have a voting system with a paper…