COLUMBUS, Ohio — Republican Vivek Ramaswamy’s team confirmed late Tuesday that it produced a controversial advertisement featuring the estranged mother of Amy Acton, and the campaign said it will spend $4 million to promote it despite facing bipartisan rebuke for dredging up the painful childhood of his Democratic opponent in Ohio’s governor’s race. Ramaswamy’s campaign initially issued a statement that did not address whether he was responsible for the ad or knew who produced it. In the earlier statement, Luck said Acton “has some serious problems with the truth that the public needs to be aware of.” Casey Putsch, a...