The Christian Science Monitor's Gail Chaddock assesses the attorney general's testimony before Senate committee.
Conversation on Darfur
Mia Farrow and television journalist Liz Walker have strong words for governments ignoring the situation in Darfur.
Gunman Sends Video and Writings to NBC
Seung-Hui Cho's video and writings depict troubled man but offer few further clues on why he turned mass murderer.
Background Check Failed to Red Flag Cho
The 23-year-old student with a record of mental illness was able to legally purchase firearms in Virginia.
Tracking Troubled Students
A former Virginia Tech police chief talks options and limitations for tracking potentially violent students.
Pop critic Tim Riley opens up the big new boxed set tracking the career of Sylvester Stone and his funky family.
This program aired on April 19, 2007.