Times Union: America forgets Oct. 12 as seamlessly as it remembers Sept. 11. Ten years ago, 17 U.S. Navy sailors were killed and 39 injured in an al-Qaida attack against the U.S. destroyer Cole in the harbor of Aden, Yemen. The Cole was relatively defenseless during a 24-hour refueling stop when suicide operatives pulled alongside in a small, explosive-laden boat and detonated a charge, ripping a 40-foot hole in the hull. Though the lessons from 9/11 will be debated for years, Oct. 12’s message is …