The Obama administration has shelved the planned prosecution of Abd al-Rahim al-Nashiri, the alleged coordinator of the Oct. 2000 suicide attack on the USS Cole in Yemen, according to a court filing. The decision at least temporarily scuttles what was supposed to be the signature trial of a major al-Qaeda figure under a reformed system of military commissions. And it comes practically on the eve of the 10th anniversary of the attack, which killed 17 sailors and wounded dozens when a boat packed with explosives ripped a hole in the side of the warship in the port of Aden.