studied effort to hide the fact that there were all these settlements being paid out by disguising them as salary. >> reporter: tucker carlson will replace o'reilly, but of the 50 or so companies that yanked ads from the show, most told us today they have not decided whether to move their ads back to the time slot. viewership has remained steady. public relations specialist howard bregman. >> viewers are not their problems. advertisers, yes. they have to go and look at their advertisers, the people that pay for their network, where the profits come from, and say, "here's the changes we've made, and here's why we're a safe place for to you put your money." >> reporter: fox news did not respond today to our questions about the u.s. attorney's investigation. o'reilly called the allegations against him unfounded yesterday, and roger ailes has denied the allegations against him in the past. scott. >> pelley: anna werner, thanks. well, as you just saw, members of the national organization for women protested outside fox news headquarters, demanding that