Coming soon to a civilian courtroom blocks from Ground Zero: Khalid Sheikh Mohammed and the four other al Qaeda planners of 9/11. Be sure to get your tickets early, and don't forget to watch out for the truck-bomb barricades and rooftop snipers.

Attorney General Eric Holder, who dropped this legal bomb on New York yesterday, called his decision to move their trial on war crimes from a military courtroom at Guantanamo Bay to American soil "the toughest" he has had to make. Other words come to mind. For starters, intellectually and morally confused, dangerous and political to a fault.

This decision befits President Obama's rushed and misguided announcement on his second day in office that he would close Gitmo within a year. This was before the Administration had thought...