Ukrainian vs. Russian

Language Log has a discussion of the Ukrainian vs. Russian language problem that's much better than mine. Actually I discovered his blog through his post asking whether Derrida could even be wrong:

My colleague would open one of Derrida's works to a random page, pick a random sentence, write it down, and then (above or below it) write a variant in which positive and negative were interchanged, or a word or phrase was replaced with one of opposite meaning. He would then challenge the assembled Derrida partisans to guess which was the original and which was the variant. The point was that Derrida's admirers are generally unable to distinguish his pronouncements from their opposites at better than chance level, suggesting that the content is a sophisticated form of white noise. On this view, as Wolfgang Pauli once said of someone else, Derrida is "not even wrong."