charlotte n.c. hillary clinton tell majority-black church north carolina sunday know grandchildren grow different world many black youth u.s. concern police shoot gun violence communities democratic presidential nominee remark little rock ame zion church charlotte frank acknowledgment impact call implicit bias police black communities clinton cite death 43-year-old keith scott black man shoot police front charlotte apartment complex sept. 20. also lament death 40-year-old terence crutcher shoot days tulsa traffic stop shoot lead community protest tulsa police officer plead guilty manslaughter charge grandmother like every grandmother worry safety security grandchildren worry black grandmothers different deep fear world grandchildren face clinton say clinton describe testimony taje gaddy 10 zianna oliphant give last week charlotte city council violence community clinton late summon oliphant join stage able stand grandchildren scar worry way many children across country feel right grandchildren white grandchildren former president secretary state let honest face kind fear hear children testify city council clinton say clinton make gun violence focus presidential campaign mother lose children shoot join campaign trail clinton say police officer train recognize implicit bias call official police video charlotte shoot release donald trump republican nominee say rally crutcher shoot look like do everything suppose do twitter criticize clinton trip charlotte postpone one week behest city mayor chance grandstand version story refiled fix typographical error paragraph change police shoot correct typo headline clinton worry black grandmothers