he's not a household name. do you know him? >> i do not know him. i know his work, not closely. frankly, i don't know a lot about him and i don't know a lot about his work, however, to ascend to being the anchor and managing editor of the "world news tonight" he must have been doing a lot right for a long while. you can say he's only 40 years old, but what young mr. muir has inherited is an honor and a great opportunity but in the great scheme of tv news is the diminished medallion. the medallion goes to the morning news which is george stephanopoulos. >> when you and your generation of anchors became anchors, peter jennings had been in london, you covered the white house, tom brokaw covered the white house and had been the anchor of the "today" show. you were at "60 minutes." there was a tradition, a