Language is not a big bag of sacrosanct words

Geoffrey K. Pullum, at Language Log, reports: I just got back from doing Talk Of The Nation (ToTN) with Neal Conan on NPR from WBUR's studio in Boston. It was about... words. Everybody sees language as just words, words, words. A human language, as most people see it, is simply a Big Bag O'Words (BBoW). Neal Conan believes a language is a BBoW just like everyone else does...
Read his defence of language evolution here.