While trying to attack Democrats, Republican vice presidential nominee J.D. Vance suggested he knew what it felt like to be “lying about Kamala Harris’ record for the past month.” On Monday, Vance appeared on Fox News while the network was broadcasting from the Democratic National Convention in Chicago. The Republican nominee insisted that Democrats were not united behind Harris, the presumed Democratic nominee. “Remember a month ago, these are the guys who are telling us, backed up by the media, that Joe Biden, who couldn’t complete a sentence, was Albert Einstein, right?” Vance said. “He’s t…