 She says J.D. Vance being horribly irresponsible by speaking his mind. We heard J.D. Vance, Senator J.D. Vance, who is one of the leading picks for vice president, in a tweet say, this is not just some isolated incident. The central premise of the Biden campaign is that President Donald Trump is an authoritarian fascist who must be stopped at all costs. That rhetoric led directly to President Trump's attempted assassination.