If you're still wondering who's behind the Arabic posters captured in several cities around the world asking people to donate blood in #Lebanon, it's Donner Sang Compter, a Lebanese non-profit NGO that links potential blood donors to patients in need. I'm a proud DSC donor and supporter and I admire the work Yorgui and his team have accomplished in the past few years. Just to give you an small idea, DSC was able to recruit…