Given a text, write a compressed version of it in a single sentence.
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Question: The NK model is but one crude model of coevolving organisms and their coupled deforming landscapes. More generally, each organism has traits that are aected by many genes, the polygeny discussed above, and each gene aects many traits, the pleiotropy alluded to above.

Answer: The NK model is one model of coevolving organisms and their deforming landscapes. Each organism has traits that are aected by many genes and each gene aects many traits, the pleiotropy alluded above.

Question: In California, two petition drives for next year's election are " essentially finished, " says David Schmidt, author of " Citizen Lawmakers. "

Answer: Two petition drives in California for next year are done says David Schmidt.

Question: c) So, when I received Krugman's letter shortly after Complexity came out, I was puzzled: He was complaining that I hadn't referenced others in the increasing-returns field--Paul Krugman among them--although I had explicitly done so.

Answer:
when I received Krugman's letter, I was puzzled: He was complaining that I hadn't referenced others in the increasing-returns field although I had explicitly done so.