Tyler Cowen's The Great Stagnation , the eSpecial heard round the world that ignited a firestorm of debate and redefined the nature of our economic malaise, is now-at last-a book. America has been through the biggest financial crisis since the great Depression, unemployment numbers are frightening, media wages have been flat since the 1970s, and it is common to expect that things will get worse before they get better. Certainly, the multidecade stagnation...