Ten years have passed but whenever Mary Shettima hears footsteps at the door, she thinks her kidnapped daughter has come home.Yana Galang is waiting for her daughter too — she keeps her clothes laid out ready for her return.A decade after Nigeria’s most infamous mass abduction, almost 100 of the 276 Chibok girls seized from their school by Islamist Boko Haram militants are still thought to be held captive.!function(e,t,n){let r;if(e.getElementById(n))return;const…