Fox News’s biggest star is out of a job two and a half weeks after a Times investigation into sexual harassment allegations. We talk to one of the two reporters who are most responsible — perhaps responsible — for Bill O’Reilly’s ouster. Guests: Emily Steel, who spent months investigating allegations against Mr. O’Reilly; and Jim Rutenberg, the media columnist for The Times. For more information on today’s episode, visit nytimes.com/thedaily.