this is piers morgan tonight. as the olympics draw to a close, the games will be remembered for some of the most spectacular performances in history. michael phelps is a remarkable 22 medals in all, 18 were gold. we talked about the victories, mistakes both professional and personal. he speaks from the heart and holds back very little. michael, welcome. you said if you e ever tired, you get a bit grouchy and you can be very short. how are you feeling? i feel all right. grouchy and tired? not yet. maybe a couple of questions. you can answer the questions all day. then it will give me less time. i feel like a tape recorder though. london is my hometown. what is extraordinary is every american athlete i have interviewed, when i asked them about their role model, 90% said you. you are like a god-like figure. with that comes responsibility. are you aware of that? what do you feel about that responsibility? sometimes i feel it, but i like to think of myself as a