down its computer network for several weeks and delay issuing its quarterly results. A group calling itself #GOP, aka "Guardians of Peace," claimed responsibility and said it had obtained internal information. Hackers leaked the personal information -- including Social Security numbers -- of more than 47,000 celebrities, freelancers. and current and former Sony employees. They also leaked then-unreleased movies, as well as embarrassing emails between Sony Pictures executives, among other internal documents.

The hackers, which the FBI traced to North Korea, were apparently trying to prevent the release of the satirical movie "The Interview," which depicts actors Seth Rogen and James Franco as TV journalists drawn into a CIA plot to assassinate North Korean leader Kim Jong-un.

In a sternly worded letter sent to news organization in December, Sony Pictures"On my part, I remain committed to the process of dialogue. It is my firm belief that dialogue and a willingness to look with honesty and clarity at the reality of Tibet can lead us to a viable solution."

Clampdown in Tibet

Chinese paramilitary police patrol in front of the Potala Palace in
Lhasa, June 20, 2008.

HONG KONG—Chinese authorities in Tibetan-populated regions have stepped
up travel restrictions in the wake of a series of Tibetan protests and
ahead of several politically sensitive dates.

Foreign tourists are being warned against traveling to Tibetan regions
of Sichuan, while foreign journalists are currently barred from entering
the Tibetan capital, Lhasa.

Lhasa is now on full alert ahead of the Tibetan New Year or Losar, on
Feb. 25, and ahead of the one-year anniversary of riots that erupted in
Lhasa on March 14,