UPDATE: At the sentencing hearing, Hamdan speaks:
"It was a sorry or sad thing to see innocent people killed... I personally present my apologies to them if anything what I did have caused them pain."
He told the military panel deciding his sentence that he had continued working for Mr. bin Laden after a terror attack in 2000 only because he felt he had no options....
UPDATE 2: The sentence is 5 ½ years.