Robert F. Kennedy, Jr. attacked Trump Trump in a social media post, calling the former president “frightened” and “unhinged” after Trump lashed out at the independent presidential candidate. “President Trump’s [Truth Social] rant against me is a barely coherent barrage of wild and inaccurate claims that should best be resolved in the American tradition of presidential debate,” Kennedy said Saturday on X, and challenged the former president to “meet me on stage” in a candidate debate. “Instead of lobbing poisonous bombs from the safety of his bunker, let’s hear President Trump defend his record…