Sudanese security forces shot tear gas Tuesday as thousands of pro-democracy protesters marked the first anniversary of a coup that derailed a transition to civilian rule and sent hunger and inflation soaring. Waving Sudanese flags, thousands of demonstrators in Khartoum and its suburbs defied security forces who have carried out deadly crackdowns on past rallies, demanding that “soldiers go back to the barracks”. “No partnership, no negotiation with the putschists,” protesters chanted, calling out what has become a pro-democracy rallying cry. A year ago to the day, army chief Abdel Fattah al-…