"The announcement will not be made until after President Obama meets with the families of victims of terrorist attacks on 9/11 and on the U.S.S. Cole, where he will assure them that this step is not being done to be lenient towards al-Nashiri. The move is being done to stop the continued prosecution of al-Nashiri in a court system that his administration may ultimately find illegitimate, not for any other reason, sources told ABC News."
What's hilarious, according to the article, is that if he allows the arraignment it would be an apparent violation of his own executive order.
Perfect opportunity for some bereaved mom or dad to look in his face and tell him he is a traitor and unworthy to be President of the United States. They will be saying on our behalf.