Guardian: Many conflicts are caused or inflamed by water scarcity. The conflicts from Chad to Darfur, Sudan, to the Ogaden Desert in Ethiopia, to Somalia and its pirates, and across to Yemen, Iraq, Pakistan, and Afghanistan, lie in a great arc of arid lands where water scarcity is leading to failed crops, dying livestock, extreme poverty and desperation. Extremist groups like the Taliban find ample recruitment possibilities in such impoverished communities. Governments lose their legitimacy …