Liberals turned to J.D. Vance’s book to better understand Donald Trump’s victory. Now the “Hillbilly Elegy” author is turning to Trump to try and win the Republican primary in Ohio’s Senate race. This episode was produced by Victoria Chamberlin, edited by Matt Collette, engineered by Efim Shapiro, fact-checked by Laura Bullard, and hosted by Noel King. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices