Robert F. Kennedy Jr. said last week that President Biden is a greater threat to American democracy than Donald Trump. It’s an odd assertion from a truly odd fellow. He believes the coronavirus was fiendishly designed to spare Chinese people and Ashkenazi Jews, and that 5G towers are totalitarian instruments that could “control our behavior.” But we can’t flip the channel on RFK Jr.’s rantings anymore, sadly. He is polling well enough to spoil the election, so we have a civic obligation to endure this nitwit for the next eight months. And while he is whacky, he’s not quite as obnoxious as Vive…