Humorist Roy Blount Jr. takes viewers on a journey down the Mississippi River, showcasing everything from areas with spectacularly beautiful scenery to ugly and dangerously polluted stretches bordered by industrial development.
Roy Blount Jr.
Garrison Keillor
Winona LaDuke
James Michael White
Score: 6.7
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Score: 7.5
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Score: 8.0
Score: 6.5
