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Frankly, I saw the video online...
I can understand your wanting to honor the family's wishes of not playing the video, but you watched the video online. I could understand your position better if you had not watched it at all; but having done so yourself, that argument doesn't compute.
And many thousands (millions?) have also watched it online as well. So the family's wishes have already been disregarded, haven't they?
That said, I watched it; it is gruesome and violent and shows the savagery and pure evil of Mr. Berg's captors - and what evil we are faced with in our war with terrorists. Finally, our military and our leaders all need our prayers, as does the family of Mr. Berg, regardless of his parents' political views.