Never learned to play chess and don't know where to start? Duolingo, the gamified education app most famous for its language learning lessons, is adding chess lessons to the iPhone application later ...

The damage of the Smoot-Hawley Tariff Act of 1930 was so severe that 50 years later, Ronald Reagan provided a cautionary tale: "There are those in the Congress, just as there were back in the 1930s, ...