. >> uncle walter had dominated, certainly, cbs but the country.ple used to say he was the most-trusted man in the country. >> once walter cronkite retires, all three news anchors within a few years switch to a new generation. >> nuclear arms and how to prevent global destruction are expected to be the major topic of president reagan's news conference tonight. lesley stahl is at the white house. >> in the '80s, women came into the newsroom, when i first joined, it was '72, and there were very few. by the '80s, there were more and more. >> the decade of the '80s was still a time of sink or swim. you had to be resilient in your own way when an environment where were you going up against people who still didn't think women had what it took. >> all of them happen to be women. >> the best producers, i'm going to get fired. the best producers at cbs news are women. and they are at the level of taking hold and making decisions about individual pieces. they're not yet executive producers of all the news shows, but they will be. >> for the past 24 hours, kr