Ohio has voted for the winner in every presidential race since 1964. But the Buckeye State may be losing its status of national bellwether, as the political tint of the state has shifted from purple to red. Still, Democrats seem unwilling to write off Ohio just yet. And tonight, they’ll be out in force in Westerville, the tony northern Columbus suburb hosting the latest presidential debate.If Ohio is emblematic of working-class America’s shift toward the Republican Party, Westerville offers a counternarrative, as a suburb where Democrat was once considered a four letter word. The town’s shift since the 2016 election of Donald Trump could hold an important lesson, suggests David Betras, the former chair of the Mahoning County Democratic Party.Democratic Sen. Sherrod Brown won his Senate re-election campaign in 2018 because he talked issues – trade, health care – and did not brand Trump voters as anathema, says Mr. Betras. “You’ve got to give people a reason to vote, and saying Donald Trump’s an idiot is not a reason that’s going to get people to go vote.” Westerville, Ohio When Valerie Cumming heard that the Democratic Party wanted to hold its fourth presidential primary debate in Westerville, she thought it was…