SIMON: And seven in ten Americans are planning to get their screams this year through decorations, costumes or creeping into a haunted house. NPR's Allison Keyes visited some haunts and reports on the industry's multi-billion dollar battle for your souls.
ALLISON KEYES, BYLINE: It's dark. The people in front of you are cringing. And, hey, what's that stuff hanging from the ceiling?
SCOTT SIMON, host: Libya faces many challenges as it grapples with life after dictatorship. Of course, Moammar Gadhafi is dead. His fugitive son, Saif al Islam, is reportedly in talks with the International Criminal Court to face charges of alleged crimes against humanity. The city of Bani Walid was the last place in Libya known to have him. It's also the seat of the largest tribe in Libya. NPR's Lourdes Garcia-Navarro travelled to Bani Walid yesterday and found a tribe that's aggrieved and city that is seething.
You're listening to WEEKEND EDITION from NPR News.
John McCarthy, the American mathematician known universally as the father of Artificial Intelligence, died last Monday at his home in Palo Alto. He was 84.
WEEKEND EDITION's Math Guy, Keith Devlin, knew McCarthy and has this remembrance.
KEITH DEVLIN, BYLINE: I first got to know John McCarthy when I arrived at Stanford as a visiting professor in 1987. He was 60 years old at that time, with a towering and, to me, somewhat daunting, reputation.