Novelist Sue Grafton is a real hoot. She's just as likely to talk, in that native Kentucky drawl of hers, about her prized silver-coin mint julep cups as about a juicy murder mystery. But she does have a crime writer's imagination.
"I always say to people, 'Don't cross me, OK? Because you will be so sorry,'" she says. "'I have ways to kill you you ain't even thought of yet.'"
In the 10 years since sagging power lines in Ohio sparked a blackout across much of the Northeastern United States and Canada, utility engineers say they have implemented measures to prevent another such event in the country's electric grid.
But there is one disaster scenario for which the power companies are still unprepared: a massive attack on the computer networks that underlie the U.S. electric grid.