Monday, Feb. 5, 2007 | The Kojo Nnamdi Show

In an increasingly complex society, it's all too easy to offend others with the language we use. So what happens when you are stricken with "foot in mouth" disease? Kojo speaks with diversity consultant Howard Ross about turning...

As a columnist at London's Financial Times, Tim Harford helps ordinary readers better understand their lives by applying economic theories to daily activities. He shares insight on buying everything from a cup of coffee to a new car.