Tin ore, along with tantalum and tungsten make up the “3T minerals” found in DR Congo, which are valuable for use in cell phones and computers. (Photo by of Image Journeys Sasha Lezhnev via Flickr)

Alex is a cofounder and editor of The Seattle Globalist. He's a visual journalist whose work has been published by PBS, The Seattle Times, FRONTLINE/World and the Seattle Weekly.  Alex teaches journalism in the University of Washington's Department of Communication and recently directed the documentary film Barzan.