Flag burning, etc

Many people in my area have recently been posting similar pics on FB like the one below. I made a comment when my close friend made this post and I wanted to get some opinions on this subject.
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Source: http://ninjashoes.net/forum/showthread.php?84520-Flag-burning-etc&goto=newpost

Per Eklund Jason Ellis Aleksander Emelianenko Fedor Emelianenko Yasubey Enomoto