Voters in Indiana and Ohio will decide who will represent them in November’s general elections in the primaries in both states on Tuesday, setting the tone in particular for the future of the Republican party and testing former President Donald Trump’s endorsement strength in a big way. Trump has 22 endorsements on the line across both states on Tuesday, some in competitive races and others in not-so-competitive primaries. The biggest banner race of the night is the five-way GOP primary for U.S. Senate in Ohio, where Trump has endorsed author J.D. Vance–a hardcore nationalist populist–against four other candidates, three of...