Voters in the US state of Ohio are set to go to the polls in the state’s primaries, where they will pick candidates for several key positions in the upcoming midterm elections in November. The  outcomes of several races in the Midwestern state could have important implications for the crucial midterms, widely seen as a referendum on United States President Donald Trump’s second term and as a vote  that will decide which party controls Congress for the remainder of his time in office. Recommended Stories list of 3 items list 1 of 3 Vice President JD Vance tops CPAC’s straw poll to be US president in 2028 list 2 of 3 US Supreme Court reinstates Republican-favoured Texas electoral map list 3 of 3 What is Trump-backed SAVE America Act and what could it mean for US vote? end of list When does voting take place, which races are being watched, and who are some of the main candidates? We answer those questions and more in this brief explainer. When is the Ohio primary?…