text: Thursday, 6 June 2002, 12:31 PM EST
  Despite evidence of al-Qaeda's research into American utility companies gleaned from laptops seized after the Sept. 11 terrorist attacks, don't expect the National Security Agency, CIA and FBI to warn businesses when a cyberattack might take place.
  That was the message delivered yesterday by the president's cybersecurity czar, Richard Clarke, to 300 educators attending the sixth annual National Colloquium for Computer Security Education at Microsoft's conference center.