Interesting visual regarding the looming copper shortage: http://www.visualcapitalist.com/the-looming-copper-supply-crunch/?utm_source=Visual+Capitalist+Infographics+%28All%29&utm_campaign=97891f0396-Most_Valuable_Cash_Crop&utm_medium=email&utm_term=0_31b4d09e8a-97891f0396-43774201 JJC