A New York Times Editor's Choice An Economist Best Book of 2010 A Financial Times Best Book of 2010 A Library Journal Best Book of 2010 The debate is ages old: Where does language come from? Is it an artifact of our culture or written in our very DNA? In recent years, the leading linguists have seemingly settled the issue: all languages are fundamentally the same and the particular language we speak does not shape our thinking in any significant way...