Ohio Sen. JD Vance mistakenly referred to former presidential candidate Robert F. Kennedy Jr. as an assassination victim Tuesday during a speech in Michigan, during which he declined to place any fault on Republicans like his running mate for stoking a recent spate of political violence. “We’re very proud on our side to have the support of Bobby Kennedy Jr.,” Vance began, alluding to how the anti-vaccine conspiracy theorist dropped out of the race after the Democratic National Convention in August and endorsed Donald Trump . “He’s a great guy. I’ve gotten to know him over the last few weeks. But I think in many ways, this country never healed from the assassination of Robert F. Kennedy Jr.” It wasn’t…..