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0:33
Why did the U.S. go to war in Iraq? What went wrong? And at what cost?

0:30
Airs Tuesday, August 30, 2011 at 9:00 p.m. ET/PT. Check your local listings.

0:30
The story of the life of Jesus and the epic rise of Christianity.

2:56
How did the government come to spy on millions of Americans?

0:58
Even in solitary, inmates find ways to smuggle contraband from cell to cell.

0:31
An unforgettable portrait of lives forever changed by tuberculosis.

1:15
For 8-year-old Farah, artillery fire has become the soundtrack of daily life.

0:30
Airs Tuesday, September 20, 2011 at 9:00 p.m. ET/PT. Check your local listings.

0:33
10 days living and filming with an insurgent cell allied with Al Qaeda.

0:30
Airs Tuesday, September 27, 2011 at 9:00 p.m. ET/PT. Check your local listings.

0:33
Long before the meltdown, one woman tried to warn about a threat to the financial system.

24:47
A rough cut assembly of Act One of "Obama's War" -- on air and online October 13th at 9pm.