welcome back. piers morgan? he s back talking candidly and emotionally about farrah, tatum and his other children and his own battle with cancer. plus only in america. the most electrifying political ad you ve ever seen. this is piers morgan tonight. good evening. our big story tonight, politics and the president. amid charges of him spiking the football, president obama hails the beginning of the end of the war in afghanistan. i ll ask a man who knows that troubled region better than most. has this country achieved everything it set out to do. plus an extraordinary interview with ryan o neal. his life after farrah fawcett and his fractured relationships with his children. when you finished the book, was it cathartic in the sense of making you perhaps aware more than you were probably on balance failed them more than they failed you? did you conclude that? i feel that i failed farrah. they can take care of themselves. it was farrah that i was concerned about