wished he could have said. >> it was a volatile time. he lost a whole-southern audience because he did that. >> good night. thank you for being with us. >> carson was so popular, as soon as he came back, the audience came flooding back to him. >> two of the guests, that belafonte had interviewed, would be assassinated. >> dr. martin luther king has been shot to death in memphis, tennessee. >> and then, two months later, robert kennedy. >> when there are terrible events, late night is a wonderful thing to have. because, you know, these are people who have a talent to say the right thing, at the right time. >> if we cannot learn to live together in this country, i don't know how in hell's sake we are ever going to learn to live with anybody else in the world. >> it's almost as if they are speaking only to you. and that stays with us. especially, when it comes from someone you have been with, in those quiet hours. when the phone doesn't ring, when the kids are in bed.