A crowd of heart-broken mourners bid a final, tearful farewell Saturday to eight children killed in a predawn mass shooting carried out last month in Shreveport, La., by the father of most of the victims. Led by a procession of grieving families and eight white caskets, the service at Summer Grove Baptist Church centered on a raw sermon from Pastor Kim Burrell, who reminded those searching for answers that even in the face of the unthinkable, “God is still on the throne.” Pastor Kim Burrell, of Summer Grove Baptist Church. AP “To ask the question, ‘Why is this fair, God? How could you, Lord? he’s still God,” said Kim Burrell, who is also a gospel singer, to mourners. “The same God that healed you from the stuff that you don’t want to tell nobody about. But he is a God that doesn’t have to give us all the clues. Just know that he makes no mistakes.” Shamar Elkins, father seven of the of the victims , shot the children with an assault rifle on April 11.…