AP Photo/John Minchillo Gubernatorial candidate Richard Cordray, left, speaks after receiving the endorsement of Cincinnati Mayor John Cranley, right I n presidential elections, Ohio has long been a swing state. Its voters supported Obama in 2008 and 2012, then swung right in 2016 to support Donald Trump. On the state level, however, Republicans have dominated for the past two decades. Only partly due to gerrymandering, they have a 12-to-4 advantage in the U.S. House of Representatives, and Democrats hold only nine of the 33 seats in the Ohio Senate and only a third of the 99 seats in the Ohio House. Republicans have also held the governorship for all but four years since 1990. Progressive U.S. Senator Sherrod Brown, now seeking his third term, remains the only Democratic candidate to consistently win statewide elections. Why has the Democratic Party lost so much ground in Ohio? To a large extent, it’s because they have lost the support of white working-class voters. As in other Rust...