Do you really believe Jon Huntsman was just out shopping with his bodyguards, when he was obviously very interested in the events going down? That is, until somebody with a video camera identified him — then, time to get away!!!
This, from the Salt Lake Tribune gives the “official” response from the State Department:
http://www.sltrib.com/sltrib/home/5137448-76/huntsman-china-rally-ambassador.html.csp