The military has been on top of this from the get go. As the trials proceed, that will become apparent, IMO.
I don't think there's anything the President can or should do, other than continue wiping out armed opposition and preparing Iraq for self governance.
If we succeed in that, then nothing else will be of any great consequence.
Oh, I know. Dan Rather's bs was phony. All he did was out the pics--which didn't need to be outted. The investigation was already ongoing. Rather's Abu Ghraib bs has been the dirtiest piece of journalism in a long darn time.