The death of George Floyd, a black man killed by a white Minneapolis police officer on Memorial Day, sparked widespread violent protests in more than a dozen American cities. Floyd, 46, was pronounced dead Monday night after he was pinned to the ground under the knee of Minneapolis police officer Derek Chauvin. In a video recorded by a bystander, Floyd is heard saying he cannot breathe. Four police officers – Chauvin, Tomas Lane, Tou Thao, and J. Alexander Kueng – were fired from the force Tuesday. Chauvin was arrested Friday and charged with murder in the third degree. Here is...