(Ny Times) A white police officer in North Charleston, S.C., was charged with murder on Tuesday after a video surfaced showing him shooting and killing an apparently unarmed black man in the back while he ran away.The officer, Michael T. Slager, 33, had said he feared for his life because the man took his stun gun in a scuffle after a traffic stop on Saturday. http://nyti.ms/1yTo1Ie WARNING: GRAPHIC