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Full Program: Rep. Kraig Paulsen (R-Hiawatha) and Sen. Mike Gronstal (D-Council Bluffs) discuss the current legislative session, including the still-emerging state budget for fiscal year 2012. Paulsen is... 28:57
Correspondent Hedrick Smith examines the impact of large-scale factory farms, a major source of pollution to US waterways. 02:21
Full Program: Southern Africa, Haiti and West Papua 56:47
Correspondent Hedrick Smith traces the early history of the Clean Water Act and speaks with founding EPA Administrator Bill Ruckelshaus. 03:18
Full Program: Investigating the new wave of pollutants entering our waterways and drinking water... 01:56:44