This final note today. A lesson in how going green can come with some corporate pitfalls. Frito Lay announced today it's getting rid of the plant-based "100-percent compostable" bags its been using for its SunChips line. Apparently -- and this is true -- they're too noisy. SunChip sales are down 11 percent in the past year.

Green, I guess, is good. Sales are better.

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Follow Kai Ryssdal at @kairyssdal