Reuters columnist, social media editor,
host of @ReutersTV Tech Tonic. Adjunct journalism professor at NYU. email@example.com / (678)-HEY-SOUP
http://anthonyderosa.tumblr.comNew York City
Credit: Reuters/Arnd Wiegmann The logo of commodities trader Glencore is pictured in front of the company's headquarters in the Swiss town of Baar November 20, 2012. The previously undisclosed barter arrangement between Glencore, the world's biggest commodities trader, and the Iranian Aluminum Company (Iralco) illustrates how difficult it is for Western powers to curb Iran's ability to trade with the rest of the world.