A city which is an example to follow for Barack Obama

Pittsburgh, a town in western Pennsylvania which today  receives the summit of the Group of 20 leading nations (G-20), with its history, it will surely impress diplomats, economists and journalists visitors. Today Pittsburgh accommodates companies that generate hundreds of billions of dollars, such as HJ Heinz, Alcoa, U.S. Steel and PNC Financial Services Group. The needs of its aging population helped to foster medical research. The presence of research schools such as Carnegie Mellon University contributed with the development and emergence of  start-ups companies specializing in the areas of software, biotechnology, and renewable energy.

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