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and passionate person on this topic,
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and he cares a lot about these sorts of things,
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and the book is very interesting.
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It's a combination of
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a review of the recent science on the issue,
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but also anecdotal things that are most interesting.
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For example, he would talk about
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corn fields or wheat fields, or flocks of birds
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migrating from the north to the south would stop every year,
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similar flocks with the same number of
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birds and things, feast on the fields.
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And then a farmer--then one farmer