The cyber attack on Sony Pictures was so complete and so destructive that one security expert says the company should disconnect from the Internet. Is it the work of North Korea? Who else has the motive? What's the message about the risk to other networks that major private companies now depend on?
Also, a Taliban attack on a Pakistan school leaves more than 100 dead, and Denmark bids for the North Pole. It's not about Santa Claus, but a less exotic international competition.
Photo: random letters