journalistic code of ethics. yes, cain giving lessons in ethics. says he s not talking about sexual harassment claims against him. reporters have not stopped asking. also, more arrests and violence at several occupy protests around the country. this is your cnn sunday morning. thank you for spending part of your weekend here with us. and a special hello as always to our military men and women watching us right now on the american forces network. thank you for being here, and thank you for what you do. let s start with the ground rumbling in central oklahoma once again. people there a bit unsettled after two earthquakes and a string of aftershocks. got some video here coming in from broken bow, oklahoma. the u.s. geological survey said the magnitude 5.6 earthquake, the largest ever to hit oklahoma, struck just before midnight eastern time. there are reports of damaged homes and buildings, what you re seeing on the video. a highway buckled as well in places. a report that