For Trump and Vance In “Hillbilly Elegy” JD Vance wrote about the steel Plant in MIddletown, Ohio that rescued his family from poverty and brought them into the middle class. It’s still there: Its future looks bright too, thanks in part to a grant of up to $500 million from the Biden administration. The money is aimed at helping its owners replace a coal-fired blast furnace so that steel can be produced with clean hydrogen and natural gas — improvements that would cut climate and air pollution and help ensure the plant stays open for another generation. But the political benefits for the Biden administration — and by extension Vice President Kamala Harris, the Democratic presidential nominee — are less clear. This is true not just in Middletown but in similar communities across the country that are on track to receive funding from either the Inflation Reduction Act or the bipartisan infrastructure law, arguably the two biggest domestic accomplishments of President Joe Biden’s time in the White House. Both measures remain largely unknown to the public, polling has shown. Perhaps as worrisome for Harris is that the federal investments may not do much to break the country’s partisan divide, even in places that have benefited from the spending. Interviews with more than three dozen people across Middletown over three days in late July revealed that few people knew about the grant. Of those who did, a handful applauded the Biden administration but several people said it didn’t matter or credited someone…