Now Playing: 09-10-13 Marketplace Syria oil

Trouble in Syria is roiling oil markets. But Syria doesn't produce any oil, begging the question why the tiny Middle Eastern country's issues are having such an outsize effect on the global economy. Today the Dow Jones Industrials drops Alcoa, Hewlett Packard, and Bank of America, and adds Goldman Sachs, Nike and Visa. The apparently random and arbitrary changes highlight the shortcomings and limitations of the index, and raise the question why the Dow remains such an enduring economic indicator. Magazine covers can make or break celebrities, and the covers of big publications like Vogue or Vanity Fair can make news. Deciding what makes a cover is a tough business, and there's a whole lot at stake for everyone involved.