Revenge of the Language Nerds

From the page:

-- Wallace, who himself is a somewhat militant grammarian, has argued that descriptivism is hopeless as a scientific endeavor: Using what people actually say and write to determine appropriate English usage is, he says, like writing an ethics textbook based on what people actually do. But descriptive linguists have finally found persuasive champions in Mark Liberman and Geoffrey Pullum, who have collected a series of essays from their blog Language Log into a new book, Far From the Madding Gerund. --