Speaking at a campaign stop, Ramaswamy said the advertisement, which features Acton's mother calling her "a liar," had nothing to do with childhood abuse.
In Cincinnati, the vice president said it was "not really my concern" whether the controversial 60-second spot was appropriate, and said he was focused on supporting Republican candidates in their midterm races.
President Donald Trump on Monday tried to boost Sen. Jon Husted's reelection campaign by attacking two groups of Black immigrants during a rally in Ohio.