Began at 7:00 PM - Washington Week with Gwen Ifill
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Collapsing Pacific salmon populations and the experiments conducted to save them are investigated.
Follow a team of US geologists as they first enter Haiti in the immediate aftermath of the tragedy.
This program explores two of America's most pressing issues -- environmentalism and terrorism -- by lifting the veil on a radical environmental group the FBI calls the country's "number one domestic terrorism threat." Daniel McGowan, a former member of the Earth Liberation Front, faces life in prison for two multimillion dollar arsons against Oregon timber companies.