Almost eight years after al-Qaeda nearly sank the USS Cole with an explosives-stuffed motorboat, killing 17 sailors, all the defendants convicted in the attack have escaped from prison or been freed by Yemeni officials. Jamal al-Badawi, a Yemeni who helped organize the plot to bomb the Cole as it refueled in this Yemeni port on Oct. 12, 2000, has broken out of prison twice. He was recaptured both times, but then secretly released by the government last fall. Yemeni authorities jailed him again after receiving complaints from Washington. But U.S. officials have so little faith that he's still in his...