GOP vice presidential nominee JD Vance tried to mock Kamala Harris over some of her meandering responses in her CNN interview Thursday, posting a clip of a teenage pageant queen who faced years of ridicule after she verbally stumbled during the Miss Teen USA 2007 event. The old viral clip shows 18-year-old Caitlin “Caite” Upton, who was Miss South Carolina Teen USA at the time, flubbing an answer after being asked about Americans’ knowledge of geography. Vance posted the video on X and wrote: “...