O.J. Simpson tweeted a photo of himself getting an apparent coronavirus vaccination on Friday — along with some gloating advice: “Get your shot. I got mine!!!” The photo posted to Simpson’s Twitter account shows him getting a jab in his left upper arm; the person wielding the needle is wearing protective gloves, a white lab coat, a surgical mask and a clear plastic face shield. Within minutes the photo was ricocheting around the web, with some notin