Season 4 · Episode 7
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Up Against the Wall
Thu, Nov 19, 2009
Post 9/11 there are more walls and political barriers than ever. But do they work?
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Airs
Thu, Nov 19, 2009
Show
Doc Zone
224 episodes
Episode
S4 · E7
in Doc Zone
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Carbon Hunters
S4 · E8
Carbon Hunters
Thu, Nov 26, 2009