How quickly they neglect. That's our reaction to the news that Portland, Oregon, has decided to withdraw from the FBI's counterterrorism task force over fears that the civil or constitutional rights of its citizens might be violated. Mayor Tom Potter made that call last week, in one more sign that memories are fraying as September 11 grows more distant. Mr. Potter tried to put a happy face on his decision in a press conference Friday, saying the city is "changing" its ties with the FBI, not "severing" them, and that Oregonians will still be "safe." But what about the rest...