I'm a physician. I see the physiological changes that happen in normal aging, in patients again and again and again over the last 20, 25 years. So I ….

John McCain is falling down on the job. He has gotten weak. He has gotten old. I do want to wish him a happy birthday. He is going to be 80 on Monday….

I think anybody who has been in Washington for almost 40 years has been there too long..