Attorney General John Ashcroft, in a farewell speech yesterday to Justice Department employees, praised their efforts in deterring terrorism since the September 11 attacks on America,...... -snip- "Al Qaeda has not lost its thirst for American blood. ... We know that terrorists will strike when and if they can. For three years, terrorists have not struck at America because you and people who work with you in this law-enforcement community have not let them," he said. Mr. Ashcroft's tenure as the nation's chief law-enforcement officer has been under constant attack from civil rights groups, other liberal organizations and political opponents...