I haven’t located the video, but I believe this site has a still sequence of what you’re talking about.
http://tacticalshit.com/patriot-pounces-protester/
With all the cameras on the scene you’d think there would be a video, somewhere.
HAHAHA! Thank you man! Yeah, that's gotta be it.
http://tacticalshit.com/patriot-pounces-protester/Shoved the flag into the guys face:)