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Clip: Season 1 | 7m 13s
Architectural critic Paul Goldberger of The New Yorker reflects on the 9/11 Memorial and the social, political and economic challenges of rebuilding at Ground Zero.
Aired: 09/08/11
Paul Goldberger on the 9/11 memorial
In Perspective: Where does 9/11 stand as a turning point...
Jon Meacham reflects on 9/11's legacy.
Where has national security come since 9/11?
Tom Kean discusses national security since 9/11.
Need to Know profiles three military families to see how they cope with loved ones in war.
Military Families - Military Child Education Coalition
Need to Know attends a training session for educators on supporting military children.
Military Families - Child, Adolescent, and Family...
Need to Know visits organizations supporting military families.
Is the Texas school board rewriting history?
Need to Know examines controversial changes to Texas school textbooks.
Extreme weather and climate change
Examining the link between extreme weather and climate change.
