Weekly eco-newscast will focus on environmental issues.

One mother saw a big difference in her son when he got an assistance dog.

Herschel Walker opens up about dissociative identity disorder in new book.

Scientist says he's found an oasis, but will Khartoum seize control?

Military called brain damage and destroyed spleen a "10 percent" disability.

New York Philharmonic plays to a full house in North Korea.

Small, elite group of North Korean students gets permission to surf the Net.

Everett tells Bob Woodruff about his recovery from a spinal cord injury.

One couple sent 10,000 pounds of supplies to bring hope to Iraqi civilians.

Special helmets measure brain trauma sustained by football players and soldiers.

Blade penetrated sergeant's brain, but he survived with skills intact.

A hard-partying Texan helped fund a covert CIA war and defeat the Soviets.

Victims of traumatic brain injuries and their families struggle with recovery.

The small town of Greensbug, Kan., was nearly destroyed because of a tornado.

Bob Dole pledges to keep pressure on White House to improve veterans' care.

Critics question discharge of 22,000 vets, some who lost medical benefits.

Bob Woodruff and his crew head to Syria to track down Omar.

Woodruff reports: Family talks after soldier son's suicide.

Bob Woodruff interviews an Army sergeant suffering from a traumatic brain injury. The sergeant says he was hit by an IED after his service in Iraq was extended past his commitment...