Watch Clip
Brain Wars: Kenny Eastridge
1m 18s
He served two combat tours in Iraq and was exposed to several bomb blasts
FRONTLINE explores and illuminates the critical issues of our times - from business and health to social issues, politics and war.
Video description: The U.S. maintains a September 2010 airstrike in Takhar province targeted and killed a "significant" Taliban leader. But independent investigators have concluded that the eight people who died were all civilians, and that they died because of "grave" intelligence flaws.
Check out the new streaming service from Cascade PBS, which pairs your PBS favorites with an ever-growing selection of TV series and films from around the world. Enjoy dedicated mobile and TV apps.